7911930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20287}}^1$

素因数の和:20310

約数の個数: 32

約数和(自身を含む): 20450304

約数和(自身を除く): 12538374

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20287, 40574, 60861, 101435, 121722, 202870, 263731, 304305, 527462, 608610, 791193, 1318655, 1582386, 2637310, 3955965, 7911930]

約数ペア:

[(1, 7911930), (2, 3955965), (3, 2637310), (5, 1582386), (6, 1318655), (10, 791193), (13, 608610), (15, 527462), (26, 304305), (30, 263731), (39, 202870), (65, 121722), (78, 101435), (130, 60861), (195, 40574), (390, 20287)]