389502256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 940439808

約数和(自身を除く): 550937552

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 43, 44, 52, 74, 86, 88, 104, 107, 143, 148, 172, 176, 208, 214, 286, 296, 344, 407, 428, 473, 481, 559, 572, 592, 688, 814, 856, 946, 962, 1118, 1144, 1177, 1391, 1591, 1628, 1712, 1892, 1924, 2236, 2288, 2354, 2782, 3182, 3256, 3784, 3848, 3959, 4472, 4601, 4708, 5291, 5564, 6149, 6364, 6512, 7568, 7696, 7918, 8944, 9202, 9416, 10582, 11128, 12298, 12728, 15301, 15836, 17501, 18404, 18832, 20683, 21164, 22256, 24596, 25456, 30602, 31672, 35002, 36808, 41366, 42328, 43549, 49192, 50611, 51467, 59813, 61204, 63344, 70004, 73616, 82732, 84656, 87098, 98384, 101222, 102934, 119626, 122408, 140008, 165464, 170237, 174196, 202444, 205868, 227513, 239252, 244816, 280016, 330928, 340474, 348392, 404888, 411736, 455026, 478504, 566137, 657943, 680948, 696784, 809776, 823472, 910052, 957008, 1132274, 1315886, 1361896, 1820104, 1872607, 2213081, 2264548, 2631772, 2723792, 3640208, 3745214, 4426162, 4529096, 5263544, 7490428, 8852324, 9058192, 10527088, 14980856, 17704648, 24343891, 29961712, 35409296, 48687782, 97375564, 194751128, 389502256]

約数ペア:

[(1, 389502256), (2, 194751128), (4, 97375564), (8, 48687782), (11, 35409296), (13, 29961712), (16, 24343891), (22, 17704648), (26, 14980856), (37, 10527088), (43, 9058192), (44, 8852324), (52, 7490428), (74, 5263544), (86, 4529096), (88, 4426162), (104, 3745214), (107, 3640208), (143, 2723792), (148, 2631772), (172, 2264548), (176, 2213081), (208, 1872607), (214, 1820104), (286, 1361896), (296, 1315886), (344, 1132274), (407, 957008), (428, 910052), (473, 823472), (481, 809776), (559, 696784), (572, 680948), (592, 657943), (688, 566137), (814, 478504), (856, 455026), (946, 411736), (962, 404888), (1118, 348392), (1144, 340474), (1177, 330928), (1391, 280016), (1591, 244816), (1628, 239252), (1712, 227513), (1892, 205868), (1924, 202444), (2236, 174196), (2288, 170237), (2354, 165464), (2782, 140008), (3182, 122408), (3256, 119626), (3784, 102934), (3848, 101222), (3959, 98384), (4472, 87098), (4601, 84656), (4708, 82732), (5291, 73616), (5564, 70004), (6149, 63344), (6364, 61204), (6512, 59813), (7568, 51467), (7696, 50611), (7918, 49192), (8944, 43549), (9202, 42328), (9416, 41366), (10582, 36808), (11128, 35002), (12298, 31672), (12728, 30602), (15301, 25456), (15836, 24596), (17501, 22256), (18404, 21164), (18832, 20683)]