1285475078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1\times {\mathrm{8819}}^1$

素因数の和:11203

約数の個数: 16

約数和(自身を含む): 1991485440

約数和(自身を除く): 706010362

約数列:

[1, 2, 31, 62, 2351, 4702, 8819, 17638, 72881, 145762, 273389, 546778, 20733469, 41466938, 642737539, 1285475078]

約数ペア:

[(1, 1285475078), (2, 642737539), (31, 41466938), (62, 20733469), (2351, 546778), (4702, 273389), (8819, 145762), (17638, 72881)]