2138644655

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3216007}}^1$

素因数の和:3216038

約数の個数: 16

約数和(自身を含む): 3087367680

約数和(自身を除く): 948723025

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 3216007, 16080035, 22512049, 61104133, 112560245, 305520665, 427728931, 2138644655]

約数ペア:

[(1, 2138644655), (5, 427728931), (7, 305520665), (19, 112560245), (35, 61104133), (95, 22512049), (133, 16080035), (665, 3216007)]