31431890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23633}}^1$

素因数の和:23666

約数の個数: 32

約数和(自身を含む): 68065920

約数和(自身を除く): 36634030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 23633, 47266, 118165, 165431, 236330, 330862, 449027, 827155, 898054, 1654310, 2245135, 3143189, 4490270, 6286378, 15715945, 31431890]

約数ペア:

[(1, 31431890), (2, 15715945), (5, 6286378), (7, 4490270), (10, 3143189), (14, 2245135), (19, 1654310), (35, 898054), (38, 827155), (70, 449027), (95, 330862), (133, 236330), (190, 165431), (266, 118165), (665, 47266), (1330, 23633)]