65138515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 85354128

約数和(自身を除く): 20215613

約数列:

[1, 5, 13, 65, 157, 169, 491, 785, 845, 2041, 2455, 6383, 10205, 26533, 31915, 77087, 82979, 132665, 385435, 414895, 1002131, 5010655, 13027703, 65138515]

約数ペア:

[(1, 65138515), (5, 13027703), (13, 5010655), (65, 1002131), (157, 414895), (169, 385435), (491, 132665), (785, 82979), (845, 77087), (2041, 31915), (2455, 26533), (6383, 10205)]