157813955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 209852160

約数和(自身を除く): 52038205

約数列:

[1, 5, 13, 65, 73, 79, 365, 395, 421, 949, 1027, 2105, 4745, 5135, 5473, 5767, 27365, 28835, 30733, 33259, 74971, 153665, 166295, 374855, 399529, 432367, 1997645, 2161835, 2427907, 12139535, 31562791, 157813955]

約数ペア:

[(1, 157813955), (5, 31562791), (13, 12139535), (65, 2427907), (73, 2161835), (79, 1997645), (365, 432367), (395, 399529), (421, 374855), (949, 166295), (1027, 153665), (2105, 74971), (4745, 33259), (5135, 30733), (5473, 28835), (5767, 27365)]