78981565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{3671}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 102404736

約数和(自身を除く): 23423171

約数列:

[1, 5, 13, 65, 331, 1655, 3671, 4303, 18355, 21515, 47723, 238615, 1215101, 6075505, 15796313, 78981565]

約数ペア:

[(1, 78981565), (5, 15796313), (13, 6075505), (65, 1215101), (331, 238615), (1655, 47723), (3671, 21515), (4303, 18355)]