139564976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{281381}}^1$

素因数の和:281420

約数の個数: 20

約数和(自身を含む): 279130944

約数和(自身を除く): 139565968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 281381, 562762, 1125524, 2251048, 4502096, 8722811, 17445622, 34891244, 69782488, 139564976]

約数ペア:

[(1, 139564976), (2, 69782488), (4, 34891244), (8, 17445622), (16, 8722811), (31, 4502096), (62, 2251048), (124, 1125524), (248, 562762), (496, 281381)]