2720403791

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{124123}}^1$

素因数の和:124262

約数の個数: 16

約数和(自身を含む): 3241125888

約数和(自身を除く): 520722097

約数列:

[1, 7, 31, 101, 217, 707, 3131, 21917, 124123, 868861, 3847813, 12536423, 26934691, 87754961, 388629113, 2720403791]

約数ペア:

[(1, 2720403791), (7, 388629113), (31, 87754961), (101, 26934691), (217, 12536423), (707, 3847813), (3131, 868861), (21917, 124123)]