1218326288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2456303}}^1$

素因数の和:2456342

約数の個数: 20

約数和(自身を含む): 2436653568

約数和(自身を除く): 1218327280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2456303, 4912606, 9825212, 19650424, 39300848, 76145393, 152290786, 304581572, 609163144, 1218326288]

約数ペア:

[(1, 1218326288), (2, 609163144), (4, 304581572), (8, 152290786), (16, 76145393), (31, 39300848), (62, 19650424), (124, 9825212), (248, 4912606), (496, 2456303)]