3987490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 7948080

約数和(自身を除く): 3960590

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 829, 962, 1658, 2405, 4145, 4810, 8290, 10777, 21554, 30673, 53885, 61346, 107770, 153365, 306730, 398749, 797498, 1993745, 3987490]

約数ペア:

[(1, 3987490), (2, 1993745), (5, 797498), (10, 398749), (13, 306730), (26, 153365), (37, 107770), (65, 61346), (74, 53885), (130, 30673), (185, 21554), (370, 10777), (481, 8290), (829, 4810), (962, 4145), (1658, 2405)]