399935812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3877}}^1$

素因数の和:3976

約数の個数: 48

約数和(自身を含む): 779850288

約数和(自身を除く): 379914476

約数列:

[1, 2, 4, 17, 34, 37, 41, 68, 74, 82, 148, 164, 629, 697, 1258, 1394, 1517, 2516, 2788, 3034, 3877, 6068, 7754, 15508, 25789, 51578, 65909, 103156, 131818, 143449, 158957, 263636, 286898, 317914, 573796, 635828, 2438633, 2702269, 4877266, 5404538, 5881409, 9754532, 10809076, 11762818, 23525636, 99983953, 199967906, 399935812]

約数ペア:

[(1, 399935812), (2, 199967906), (4, 99983953), (17, 23525636), (34, 11762818), (37, 10809076), (41, 9754532), (68, 5881409), (74, 5404538), (82, 4877266), (148, 2702269), (164, 2438633), (629, 635828), (697, 573796), (1258, 317914), (1394, 286898), (1517, 263636), (2516, 158957), (2788, 143449), (3034, 131818), (3877, 103156), (6068, 65909), (7754, 51578), (15508, 25789)]