64776481

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 83984256

約数和(自身を除く): 19207775

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 2557, 3619, 17899, 25333, 28127, 120179, 125293, 196889, 841253, 1321969, 1378223, 5888771, 9253783, 64776481]

約数ペア:

[(1, 64776481), (7, 9253783), (11, 5888771), (47, 1378223), (49, 1321969), (77, 841253), (329, 196889), (517, 125293), (539, 120179), (2303, 28127), (2557, 25333), (3619, 17899)]