66408325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 87181920

約数和(自身を除く): 20773595

約数列:

[1, 5, 19, 25, 95, 251, 475, 557, 1255, 2785, 4769, 6275, 10583, 13925, 23845, 52915, 119225, 139807, 264575, 699035, 2656333, 3495175, 13281665, 66408325]

約数ペア:

[(1, 66408325), (5, 13281665), (19, 3495175), (25, 2656333), (95, 699035), (251, 264575), (475, 139807), (557, 119225), (1255, 52915), (2785, 23845), (4769, 13925), (6275, 10583)]