256858558

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{4441}}^1$

素因数の和:4704

約数の個数: 24

約数和(自身を含む): 425365920

約数和(自身を除く): 168507362

約数列:

[1, 2, 11, 22, 121, 239, 242, 478, 2629, 4441, 5258, 8882, 28919, 48851, 57838, 97702, 537361, 1061399, 1074722, 2122798, 11675389, 23350778, 128429279, 256858558]

約数ペア:

[(1, 256858558), (2, 128429279), (11, 23350778), (22, 11675389), (121, 2122798), (239, 1074722), (242, 1061399), (478, 537361), (2629, 97702), (4441, 57838), (5258, 48851), (8882, 28919)]