1631864

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3557520

約数和(自身を除く): 1925656

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 71, 104, 136, 142, 169, 221, 284, 338, 442, 568, 676, 884, 923, 1207, 1352, 1768, 1846, 2414, 2873, 3692, 4828, 5746, 7384, 9656, 11492, 11999, 15691, 22984, 23998, 31382, 47996, 62764, 95992, 125528, 203983, 407966, 815932, 1631864]

約数ペア:

[(1, 1631864), (2, 815932), (4, 407966), (8, 203983), (13, 125528), (17, 95992), (26, 62764), (34, 47996), (52, 31382), (68, 23998), (71, 22984), (104, 15691), (136, 11999), (142, 11492), (169, 9656), (221, 7384), (284, 5746), (338, 4828), (442, 3692), (568, 2873), (676, 2414), (884, 1846), (923, 1768), (1207, 1352)]