71556401

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 84725760

約数和(自身を除く): 13169359

約数列:

[1, 7, 31, 217, 419, 787, 2933, 5509, 12989, 24397, 90923, 170779, 329753, 2308271, 10222343, 71556401]

約数ペア:

[(1, 71556401), (7, 10222343), (31, 2308271), (217, 329753), (419, 170779), (787, 90923), (2933, 24397), (5509, 12989)]