120815912

素因数分解:

$2^3\times 7^1\times {\mathrm{2157427}}^1$

素因数の和:2157440

約数の個数: 16

約数和(自身を含む): 258891360

約数和(自身を除く): 138075448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2157427, 4314854, 8629708, 15101989, 17259416, 30203978, 60407956, 120815912]

約数ペア:

[(1, 120815912), (2, 60407956), (4, 30203978), (7, 17259416), (8, 15101989), (14, 8629708), (28, 4314854), (56, 2157427)]