257584232

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{3467}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 498143520

約数和(自身を除く): 240559288

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 2008, 3467, 6934, 9287, 13868, 18574, 27736, 37148, 74296, 128279, 256558, 513116, 870217, 1026232, 1740434, 3480868, 6961736, 32198029, 64396058, 128792116, 257584232]

約数ペア:

[(1, 257584232), (2, 128792116), (4, 64396058), (8, 32198029), (37, 6961736), (74, 3480868), (148, 1740434), (251, 1026232), (296, 870217), (502, 513116), (1004, 256558), (2008, 128279), (3467, 74296), (6934, 37148), (9287, 27736), (13868, 18574)]