13123864

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 28262520

約数和(自身を除く): 15138656

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 571, 676, 884, 1142, 1352, 1768, 2284, 2873, 4568, 5746, 7423, 9707, 11492, 14846, 19414, 22984, 29692, 38828, 59384, 77656, 96499, 126191, 192998, 252382, 385996, 504764, 771992, 1009528, 1640483, 3280966, 6561932, 13123864]

約数ペア:

[(1, 13123864), (2, 6561932), (4, 3280966), (8, 1640483), (13, 1009528), (17, 771992), (26, 504764), (34, 385996), (52, 252382), (68, 192998), (104, 126191), (136, 96499), (169, 77656), (221, 59384), (338, 38828), (442, 29692), (571, 22984), (676, 19414), (884, 14846), (1142, 11492), (1352, 9707), (1768, 7423), (2284, 5746), (2873, 4568)]