42306475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 54917120

約数和(自身を除く): 12610645

約数列:

[1, 5, 25, 31, 79, 155, 395, 691, 775, 1975, 2449, 3455, 12245, 17275, 21421, 54589, 61225, 107105, 272945, 535525, 1364725, 1692259, 8461295, 42306475]

約数ペア:

[(1, 42306475), (5, 8461295), (25, 1692259), (31, 1364725), (79, 535525), (155, 272945), (395, 107105), (691, 61225), (775, 54589), (1975, 21421), (2449, 17275), (3455, 12245)]