71390045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1789}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 89700480

約数和(自身を除く): 18310435

約数列:

[1, 5, 23, 115, 347, 1735, 1789, 7981, 8945, 39905, 41147, 205735, 620783, 3103915, 14278009, 71390045]

約数ペア:

[(1, 71390045), (5, 14278009), (23, 3103915), (115, 620783), (347, 205735), (1735, 41147), (1789, 39905), (7981, 8945)]