261996384

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 802436544

約数和(自身を除く): 540440160

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 53, 68, 78, 96, 102, 104, 106, 136, 156, 159, 204, 208, 212, 221, 233, 272, 312, 318, 408, 416, 424, 442, 466, 544, 624, 636, 663, 689, 699, 816, 848, 884, 901, 932, 1248, 1272, 1326, 1378, 1398, 1632, 1696, 1768, 1802, 1864, 2067, 2544, 2652, 2703, 2756, 2796, 3029, 3536, 3604, 3728, 3961, 4134, 5088, 5304, 5406, 5512, 5592, 6058, 7072, 7208, 7456, 7922, 8268, 9087, 10608, 10812, 11024, 11184, 11713, 11883, 12116, 12349, 14416, 15844, 16536, 18174, 21216, 21624, 22048, 22368, 23426, 23766, 24232, 24698, 28832, 31688, 33072, 35139, 36348, 37047, 43248, 46852, 47532, 48464, 49396, 51493, 63376, 66144, 70278, 72696, 74094, 86496, 93704, 95064, 96928, 98792, 102986, 126752, 140556, 145392, 148188, 154479, 160537, 187408, 190128, 197584, 205972, 209933, 281112, 290784, 296376, 308958, 321074, 374816, 380256, 395168, 411944, 419866, 481611, 562224, 592752, 617916, 629799, 642148, 823888, 839732, 963222, 1124448, 1185504, 1235832, 1259598, 1284296, 1647776, 1679464, 1926444, 2471664, 2519196, 2568592, 2729129, 3358928, 3852888, 4943328, 5038392, 5137184, 5458258, 6717856, 7705776, 8187387, 10076784, 10916516, 15411552, 16374774, 20153568, 21833032, 32749548, 43666064, 65499096, 87332128, 130998192, 261996384]

約数ペア:

[(1, 261996384), (2, 130998192), (3, 87332128), (4, 65499096), (6, 43666064), (8, 32749548), (12, 21833032), (13, 20153568), (16, 16374774), (17, 15411552), (24, 10916516), (26, 10076784), (32, 8187387), (34, 7705776), (39, 6717856), (48, 5458258), (51, 5137184), (52, 5038392), (53, 4943328), (68, 3852888), (78, 3358928), (96, 2729129), (102, 2568592), (104, 2519196), (106, 2471664), (136, 1926444), (156, 1679464), (159, 1647776), (204, 1284296), (208, 1259598), (212, 1235832), (221, 1185504), (233, 1124448), (272, 963222), (312, 839732), (318, 823888), (408, 642148), (416, 629799), (424, 617916), (442, 592752), (466, 562224), (544, 481611), (624, 419866), (636, 411944), (663, 395168), (689, 380256), (699, 374816), (816, 321074), (848, 308958), (884, 296376), (901, 290784), (932, 281112), (1248, 209933), (1272, 205972), (1326, 197584), (1378, 190128), (1398, 187408), (1632, 160537), (1696, 154479), (1768, 148188), (1802, 145392), (1864, 140556), (2067, 126752), (2544, 102986), (2652, 98792), (2703, 96928), (2756, 95064), (2796, 93704), (3029, 86496), (3536, 74094), (3604, 72696), (3728, 70278), (3961, 66144), (4134, 63376), (5088, 51493), (5304, 49396), (5406, 48464), (5512, 47532), (5592, 46852), (6058, 43248), (7072, 37047), (7208, 36348), (7456, 35139), (7922, 33072), (8268, 31688), (9087, 28832), (10608, 24698), (10812, 24232), (11024, 23766), (11184, 23426), (11713, 22368), (11883, 22048), (12116, 21624), (12349, 21216), (14416, 18174), (15844, 16536)]