1640894635

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{1063}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 2127863808

約数和(自身を除く): 486969173

約数列:

[1, 5, 23, 31, 115, 155, 433, 713, 1063, 2165, 3565, 5315, 9959, 13423, 24449, 32953, 49795, 67115, 122245, 164765, 308729, 460279, 757919, 1543645, 2301395, 3789595, 10586417, 14268649, 52932085, 71343245, 328178927, 1640894635]

約数ペア:

[(1, 1640894635), (5, 328178927), (23, 71343245), (31, 52932085), (115, 14268649), (155, 10586417), (433, 3789595), (713, 2301395), (1063, 1543645), (2165, 757919), (3565, 460279), (5315, 308729), (9959, 164765), (13423, 122245), (24449, 67115), (32953, 49795)]