31827770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 63837720

約数和(自身を除く): 32009950

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 169, 185, 338, 370, 481, 509, 845, 962, 1018, 1690, 2405, 2545, 4810, 5090, 6253, 6617, 12506, 13234, 18833, 31265, 33085, 37666, 62530, 66170, 86021, 94165, 172042, 188330, 244829, 430105, 489658, 860210, 1224145, 2448290, 3182777, 6365554, 15913885, 31827770]

約数ペア:

[(1, 31827770), (2, 15913885), (5, 6365554), (10, 3182777), (13, 2448290), (26, 1224145), (37, 860210), (65, 489658), (74, 430105), (130, 244829), (169, 188330), (185, 172042), (338, 94165), (370, 86021), (481, 66170), (509, 62530), (845, 37666), (962, 33085), (1018, 31265), (1690, 18833), (2405, 13234), (2545, 12506), (4810, 6617), (5090, 6253)]