218880404

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{2029}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 387933000

約数和(自身を除く): 169052596

約数列:

[1, 2, 4, 149, 181, 298, 362, 596, 724, 2029, 4058, 8116, 26969, 53938, 107876, 302321, 367249, 604642, 734498, 1209284, 1468996, 54720101, 109440202, 218880404]

約数ペア:

[(1, 218880404), (2, 109440202), (4, 54720101), (149, 1468996), (181, 1209284), (298, 734498), (362, 604642), (596, 367249), (724, 302321), (2029, 107876), (4058, 53938), (8116, 26969)]