15720188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5933

約数の個数: 24

約数和(自身を含む): 30508464

約数和(自身を除く): 14788276

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 5857, 11714, 23428, 64427, 128854, 257708, 357277, 714554, 1429108, 3930047, 7860094, 15720188]

約数ペア:

[(1, 15720188), (2, 7860094), (4, 3930047), (11, 1429108), (22, 714554), (44, 357277), (61, 257708), (122, 128854), (244, 64427), (671, 23428), (1342, 11714), (2684, 5857)]