389916079

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{3359}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 478033920

約数和(自身を除く): 88117841

約数列:

[1, 7, 23, 49, 103, 161, 721, 1127, 2369, 3359, 5047, 16583, 23513, 77257, 116081, 164591, 345977, 540799, 2421839, 3785593, 7957471, 16952873, 55702297, 389916079]

約数ペア:

[(1, 389916079), (7, 55702297), (23, 16952873), (49, 7957471), (103, 3785593), (161, 2421839), (721, 540799), (1127, 345977), (2369, 164591), (3359, 116081), (5047, 77257), (16583, 23513)]