15201212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 29206800

約数和(自身を除く): 14005588

約数列:

[1, 2, 4, 13, 26, 52, 113, 169, 199, 226, 338, 398, 452, 676, 796, 1469, 2587, 2938, 5174, 5876, 10348, 19097, 22487, 33631, 38194, 44974, 67262, 76388, 89948, 134524, 292331, 584662, 1169324, 3800303, 7600606, 15201212]

約数ペア:

[(1, 15201212), (2, 7600606), (4, 3800303), (13, 1169324), (26, 584662), (52, 292331), (113, 134524), (169, 89948), (199, 76388), (226, 67262), (338, 44974), (398, 38194), (452, 33631), (676, 22487), (796, 19097), (1469, 10348), (2587, 5876), (2938, 5174)]