7642830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19597}}^1$

素因数の和:19620

約数の個数: 32

約数和(自身を含む): 19754784

約数和(自身を除く): 12111954

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19597, 39194, 58791, 97985, 117582, 195970, 254761, 293955, 509522, 587910, 764283, 1273805, 1528566, 2547610, 3821415, 7642830]

約数ペア:

[(1, 7642830), (2, 3821415), (3, 2547610), (5, 1528566), (6, 1273805), (10, 764283), (13, 587910), (15, 509522), (26, 293955), (30, 254761), (39, 195970), (65, 117582), (78, 97985), (130, 58791), (195, 39194), (390, 19597)]