1279661090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{37871}}^1$

素因数の和:38018

約数の個数: 32

約数和(自身を含む): 2399569920

約数和(自身を除く): 1119908830

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 3379, 6758, 16895, 33790, 37871, 75742, 189355, 378710, 1174001, 2348002, 4127939, 5870005, 8255878, 11740010, 20639695, 41279390, 127966109, 255932218, 639830545, 1279661090]

約数ペア:

[(1, 1279661090), (2, 639830545), (5, 255932218), (10, 127966109), (31, 41279390), (62, 20639695), (109, 11740010), (155, 8255878), (218, 5870005), (310, 4127939), (545, 2348002), (1090, 1174001), (3379, 378710), (6758, 189355), (16895, 75742), (33790, 37871)]