256595144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{145133}}^1$

素因数の和:145169

約数の個数: 32

約数和(自身を含む): 548606520

約数和(自身を除く): 292011376

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 145133, 290266, 580532, 1161064, 1886729, 2467261, 3773458, 4934522, 7546916, 9869044, 15093832, 19738088, 32074393, 64148786, 128297572, 256595144]

約数ペア:

[(1, 256595144), (2, 128297572), (4, 64148786), (8, 32074393), (13, 19738088), (17, 15093832), (26, 9869044), (34, 7546916), (52, 4934522), (68, 3773458), (104, 2467261), (136, 1886729), (221, 1161064), (442, 580532), (884, 290266), (1768, 145133)]