128198888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{516931}}^1$

素因数の和:516968

約数の個数: 16

約数和(自身を含む): 248127360

約数和(自身を除く): 119928472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 516931, 1033862, 2067724, 4135448, 16024861, 32049722, 64099444, 128198888]

約数ペア:

[(1, 128198888), (2, 64099444), (4, 32049722), (8, 16024861), (31, 4135448), (62, 2067724), (124, 1033862), (248, 516931)]