639756523

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{39343}}^1$

素因数の和:39474

約数の個数: 16

約数和(自身を含む): 770512896

約数和(自身を除く): 130756373

約数列:

[1, 7, 23, 101, 161, 707, 2323, 16261, 39343, 275401, 904889, 3973643, 6334223, 27815501, 91393789, 639756523]

約数ペア:

[(1, 639756523), (7, 91393789), (23, 27815501), (101, 6334223), (161, 3973643), (707, 904889), (2323, 275401), (16261, 39343)]