78756916

素因数分解:

$2^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 162288000

約数和(自身を除く): 83531084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 343, 419, 548, 686, 838, 959, 1372, 1676, 1918, 2933, 3836, 5866, 6713, 11732, 13426, 20531, 26852, 41062, 46991, 57403, 82124, 93982, 114806, 143717, 187964, 229612, 287434, 401821, 574868, 803642, 1607284, 2812747, 5625494, 11250988, 19689229, 39378458, 78756916]

約数ペア:

[(1, 78756916), (2, 39378458), (4, 19689229), (7, 11250988), (14, 5625494), (28, 2812747), (49, 1607284), (98, 803642), (137, 574868), (196, 401821), (274, 287434), (343, 229612), (419, 187964), (548, 143717), (686, 114806), (838, 93982), (959, 82124), (1372, 57403), (1676, 46991), (1918, 41062), (2933, 26852), (3836, 20531), (5866, 13426), (6713, 11732)]