70400407

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 91699200

約数和(自身を除く): 21298793

約数列:

[1, 7, 11, 47, 49, 77, 329, 343, 397, 517, 539, 2303, 2779, 3619, 3773, 4367, 16121, 18659, 19453, 25333, 30569, 130613, 136171, 177331, 205249, 213983, 914291, 1436743, 1497881, 6400037, 10057201, 70400407]

約数ペア:

[(1, 70400407), (7, 10057201), (11, 6400037), (47, 1497881), (49, 1436743), (77, 914291), (329, 213983), (343, 205249), (397, 177331), (517, 136171), (539, 130613), (2303, 30569), (2779, 25333), (3619, 19453), (3773, 18659), (4367, 16121)]