2104156

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 3870720

約数和(自身を除く): 1766564

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 239, 284, 478, 956, 2201, 4402, 7409, 8804, 14818, 16969, 29636, 33938, 67876, 526039, 1052078, 2104156]

約数ペア:

[(1, 2104156), (2, 1052078), (4, 526039), (31, 67876), (62, 33938), (71, 29636), (124, 16969), (142, 14818), (239, 8804), (284, 7409), (478, 4402), (956, 2201)]