31421258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21317}}^1$

素因数の和:21397

約数の個数: 16

約数和(自身を含む): 52186464

約数和(自身を除く): 20765206

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 21317, 42634, 234487, 468974, 1428239, 2856478, 15710629, 31421258]

約数ペア:

[(1, 31421258), (2, 15710629), (11, 2856478), (22, 1428239), (67, 468974), (134, 234487), (737, 42634), (1474, 21317)]