90404015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 118979280

約数和(自身を除く): 28575265

約数列:

[1, 5, 13, 65, 83, 169, 415, 845, 1079, 1289, 5395, 6445, 14027, 16757, 70135, 83785, 106987, 217841, 534935, 1089205, 1390831, 6954155, 18080803, 90404015]

約数ペア:

[(1, 90404015), (5, 18080803), (13, 6954155), (65, 1390831), (83, 1089205), (169, 534935), (415, 217841), (845, 106987), (1079, 83785), (1289, 70135), (5395, 16757), (6445, 14027)]