394268855

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 502329600

約数和(自身を除く): 108060745

約数列:

[1, 5, 37, 53, 79, 185, 265, 395, 509, 1961, 2545, 2923, 4187, 9805, 14615, 18833, 20935, 26977, 40211, 94165, 134885, 154919, 201055, 774595, 998149, 1487807, 2131183, 4990745, 7439035, 10655915, 78853771, 394268855]

約数ペア:

[(1, 394268855), (5, 78853771), (37, 10655915), (53, 7439035), (79, 4990745), (185, 2131183), (265, 1487807), (395, 998149), (509, 774595), (1961, 201055), (2545, 154919), (2923, 134885), (4187, 94165), (9805, 40211), (14615, 26977), (18833, 20935)]