8447790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21661}}^1$

素因数の和:21684

約数の個数: 32

約数和(自身を含む): 21835296

約数和(自身を除く): 13387506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21661, 43322, 64983, 108305, 129966, 216610, 281593, 324915, 563186, 649830, 844779, 1407965, 1689558, 2815930, 4223895, 8447790]

約数ペア:

[(1, 8447790), (2, 4223895), (3, 2815930), (5, 1689558), (6, 1407965), (10, 844779), (13, 649830), (15, 563186), (26, 324915), (30, 281593), (39, 216610), (65, 129966), (78, 108305), (130, 64983), (195, 43322), (390, 21661)]