221420122

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{205399}}^1$

素因数の和:205426

約数の個数: 24

約数和(自身を含む): 421480800

約数和(自身を除く): 200060678

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 205399, 410798, 1437793, 2259389, 2875586, 4518778, 10064551, 15815723, 20129102, 31631446, 110710061, 221420122]

約数ペア:

[(1, 221420122), (2, 110710061), (7, 31631446), (11, 20129102), (14, 15815723), (22, 10064551), (49, 4518778), (77, 2875586), (98, 2259389), (154, 1437793), (539, 410798), (1078, 205399)]