12911281888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{50441}}^1$

素因数の和:50891

約数の個数: 48

約数和(自身を含む): 26821020240

約数和(自身を除く): 13909738352

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 421, 608, 842, 1684, 3368, 6736, 7999, 13472, 15998, 31996, 50441, 63992, 100882, 127984, 201764, 255968, 403528, 807056, 958379, 1614112, 1916758, 3833516, 7667032, 15334064, 21235661, 30668128, 42471322, 84942644, 169885288, 339770576, 403477559, 679541152, 806955118, 1613910236, 3227820472, 6455640944, 12911281888]

約数ペア:

[(1, 12911281888), (2, 6455640944), (4, 3227820472), (8, 1613910236), (16, 806955118), (19, 679541152), (32, 403477559), (38, 339770576), (76, 169885288), (152, 84942644), (304, 42471322), (421, 30668128), (608, 21235661), (842, 15334064), (1684, 7667032), (3368, 3833516), (6736, 1916758), (7999, 1614112), (13472, 958379), (15998, 807056), (31996, 403528), (50441, 255968), (63992, 201764), (100882, 127984)]