28486016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 128

約数和(自身を含む): 69400800

約数和(自身を除く): 40914784

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 53, 64, 68, 76, 104, 106, 128, 136, 152, 208, 212, 221, 247, 272, 304, 323, 416, 424, 442, 494, 544, 608, 646, 689, 832, 848, 884, 901, 988, 1007, 1088, 1216, 1292, 1378, 1664, 1696, 1768, 1802, 1976, 2014, 2176, 2432, 2584, 2756, 3392, 3536, 3604, 3952, 4028, 4199, 5168, 5512, 6784, 7072, 7208, 7904, 8056, 8398, 10336, 11024, 11713, 13091, 14144, 14416, 15808, 16112, 16796, 17119, 20672, 22048, 23426, 26182, 28288, 28832, 31616, 32224, 33592, 34238, 41344, 44096, 46852, 52364, 57664, 64448, 67184, 68476, 88192, 93704, 104728, 115328, 128896, 134368, 136952, 187408, 209456, 222547, 268736, 273904, 374816, 418912, 445094, 537472, 547808, 749632, 837824, 890188, 1095616, 1499264, 1675648, 1780376, 2191232, 3560752, 7121504, 14243008, 28486016]

約数ペア:

[(1, 28486016), (2, 14243008), (4, 7121504), (8, 3560752), (13, 2191232), (16, 1780376), (17, 1675648), (19, 1499264), (26, 1095616), (32, 890188), (34, 837824), (38, 749632), (52, 547808), (53, 537472), (64, 445094), (68, 418912), (76, 374816), (104, 273904), (106, 268736), (128, 222547), (136, 209456), (152, 187408), (208, 136952), (212, 134368), (221, 128896), (247, 115328), (272, 104728), (304, 93704), (323, 88192), (416, 68476), (424, 67184), (442, 64448), (494, 57664), (544, 52364), (608, 46852), (646, 44096), (689, 41344), (832, 34238), (848, 33592), (884, 32224), (901, 31616), (988, 28832), (1007, 28288), (1088, 26182), (1216, 23426), (1292, 22048), (1378, 20672), (1664, 17119), (1696, 16796), (1768, 16112), (1802, 15808), (1976, 14416), (2014, 14144), (2176, 13091), (2432, 11713), (2584, 11024), (2756, 10336), (3392, 8398), (3536, 8056), (3604, 7904), (3952, 7208), (4028, 7072), (4199, 6784), (5168, 5512)]