1556555312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{37987}}^1$

素因数の和:38205

約数の個数: 40

約数和(自身を含む): 3264384816

約数和(自身を除く): 1707829504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 2561, 3152, 5122, 10244, 20488, 37987, 40976, 75974, 151948, 303896, 493831, 607792, 987662, 1975324, 3950648, 7483439, 7901296, 14966878, 29933756, 59867512, 97284707, 119735024, 194569414, 389138828, 778277656, 1556555312]

約数ペア:

[(1, 1556555312), (2, 778277656), (4, 389138828), (8, 194569414), (13, 119735024), (16, 97284707), (26, 59867512), (52, 29933756), (104, 14966878), (197, 7901296), (208, 7483439), (394, 3950648), (788, 1975324), (1576, 987662), (2561, 607792), (3152, 493831), (5122, 303896), (10244, 151948), (20488, 75974), (37987, 40976)]