7722390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19824

約数の個数: 32

約数和(自身を含む): 19960416

約数和(自身を除く): 12238026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 19801, 39602, 59403, 99005, 118806, 198010, 257413, 297015, 514826, 594030, 772239, 1287065, 1544478, 2574130, 3861195, 7722390]

約数ペア:

[(1, 7722390), (2, 3861195), (3, 2574130), (5, 1544478), (6, 1287065), (10, 772239), (13, 594030), (15, 514826), (26, 297015), (30, 257413), (39, 198010), (65, 118806), (78, 99005), (130, 59403), (195, 39602), (390, 19801)]