211272872

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{91381}}^1$

素因数の和:91421

約数の個数: 24

約数和(自身を含む): 420814110

約数和(自身を除く): 209541238

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 91381, 182762, 365524, 731048, 1553477, 3106954, 6213908, 12427816, 26409109, 52818218, 105636436, 211272872]

約数ペア:

[(1, 211272872), (2, 105636436), (4, 52818218), (8, 26409109), (17, 12427816), (34, 6213908), (68, 3106954), (136, 1553477), (289, 731048), (578, 365524), (1156, 182762), (2312, 91381)]