155403941

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{719}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 197976960

約数和(自身を除く): 42573019

約数列:

[1, 7, 11, 49, 77, 401, 539, 719, 2807, 4411, 5033, 7909, 19649, 30877, 35231, 55363, 216139, 288319, 387541, 2018233, 3171509, 14127631, 22200563, 155403941]

約数ペア:

[(1, 155403941), (7, 22200563), (11, 14127631), (49, 3171509), (77, 2018233), (401, 387541), (539, 288319), (719, 216139), (2807, 55363), (4411, 35231), (5033, 30877), (7909, 19649)]