251509138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{14969}}^1$

素因数の和:15273

約数の個数: 16

約数和(自身を含む): 390896640

約数和(自身を除く): 139387502

約数列:

[1, 2, 31, 62, 271, 542, 8401, 14969, 16802, 29938, 464039, 928078, 4056599, 8113198, 125754569, 251509138]

約数ペア:

[(1, 251509138), (2, 125754569), (31, 8113198), (62, 4056599), (271, 928078), (542, 464039), (8401, 29938), (14969, 16802)]