138410545

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43457}}^1$

素因数の和:43489

約数の個数: 24

約数和(自身を含む): 208076904

約数和(自身を除く): 69666359

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 43457, 217285, 304199, 564941, 1520995, 2129393, 2824705, 3954587, 10646965, 19772935, 27682109, 138410545]

約数ペア:

[(1, 138410545), (5, 27682109), (7, 19772935), (13, 10646965), (35, 3954587), (49, 2824705), (65, 2129393), (91, 1520995), (245, 564941), (455, 304199), (637, 217285), (3185, 43457)]