90378128

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{12253}}^1$

素因数の和:12722

約数の個数: 20

約数和(自身を含む): 175501788

約数和(自身を除く): 85123660

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 3688, 7376, 12253, 24506, 49012, 98024, 196048, 5648633, 11297266, 22594532, 45189064, 90378128]

約数ペア:

[(1, 90378128), (2, 45189064), (4, 22594532), (8, 11297266), (16, 5648633), (461, 196048), (922, 98024), (1844, 49012), (3688, 24506), (7376, 12253)]