15686428

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 28047600

約数和(自身を除く): 12361172

約数列:

[1, 2, 4, 89, 139, 178, 278, 317, 356, 556, 634, 1268, 12371, 24742, 28213, 44063, 49484, 56426, 88126, 112852, 176252, 3921607, 7843214, 15686428]

約数ペア:

[(1, 15686428), (2, 7843214), (4, 3921607), (89, 176252), (139, 112852), (178, 88126), (278, 56426), (317, 49484), (356, 44063), (556, 28213), (634, 24742), (1268, 12371)]