177890245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6853

約数の個数: 24

約数和(自身を含む): 238643712

約数和(自身を除く): 60753467

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 6791, 26195, 33955, 88283, 210521, 441415, 1052605, 1147679, 2736773, 5738395, 13683865, 35578049, 177890245]

約数ペア:

[(1, 177890245), (5, 35578049), (13, 13683865), (31, 5738395), (65, 2736773), (155, 1147679), (169, 1052605), (403, 441415), (845, 210521), (2015, 88283), (5239, 33955), (6791, 26195)]