28393390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 52346880

約数和(自身を除く): 23953490

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 283, 395, 566, 635, 790, 1270, 1415, 2830, 10033, 20066, 22357, 35941, 44714, 50165, 71882, 100330, 111785, 179705, 223570, 359410, 2839339, 5678678, 14196695, 28393390]

約数ペア:

[(1, 28393390), (2, 14196695), (5, 5678678), (10, 2839339), (79, 359410), (127, 223570), (158, 179705), (254, 111785), (283, 100330), (395, 71882), (566, 50165), (635, 44714), (790, 35941), (1270, 22357), (1415, 20066), (2830, 10033)]