389636995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 522422784

約数和(自身を除く): 132785789

約数列:

[1, 5, 11, 55, 71, 113, 355, 565, 781, 883, 1243, 3905, 4415, 6215, 8023, 9713, 40115, 48565, 62693, 88253, 99779, 313465, 441265, 498895, 689623, 1097569, 3448115, 5487845, 7084309, 35421545, 77927399, 389636995]

約数ペア:

[(1, 389636995), (5, 77927399), (11, 35421545), (55, 7084309), (71, 5487845), (113, 3448115), (355, 1097569), (565, 689623), (781, 498895), (883, 441265), (1243, 313465), (3905, 99779), (4415, 88253), (6215, 62693), (8023, 48565), (9713, 40115)]