128541404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{2063}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 231688128

約数和(自身を除く): 103146724

約数列:

[1, 2, 4, 37, 74, 148, 421, 842, 1684, 2063, 4126, 8252, 15577, 31154, 62308, 76331, 152662, 305324, 868523, 1737046, 3474092, 32135351, 64270702, 128541404]

約数ペア:

[(1, 128541404), (2, 64270702), (4, 32135351), (37, 3474092), (74, 1737046), (148, 868523), (421, 305324), (842, 152662), (1684, 76331), (2063, 62308), (4126, 31154), (8252, 15577)]