664408090

素因数分解:

$2^1\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{60899}}^1$

素因数の和:61997

約数の個数: 16

約数和(自身を含む): 1197050400

約数和(自身を除く): 532642310

約数列:

[1, 2, 5, 10, 1091, 2182, 5455, 10910, 60899, 121798, 304495, 608990, 66440809, 132881618, 332204045, 664408090]

約数ペア:

[(1, 664408090), (2, 332204045), (5, 132881618), (10, 66440809), (1091, 608990), (2182, 304495), (5455, 121798), (10910, 60899)]