66617915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4723}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 101584896

約数和(自身を除く): 34966981

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 4723, 14105, 23615, 33061, 61399, 146413, 165305, 306995, 429793, 732065, 1024891, 1903369, 2148965, 5124455, 9516845, 13323583, 66617915]

約数ペア:

[(1, 66617915), (5, 13323583), (7, 9516845), (13, 5124455), (31, 2148965), (35, 1903369), (65, 1024891), (91, 732065), (155, 429793), (217, 306995), (403, 165305), (455, 146413), (1085, 61399), (2015, 33061), (2821, 23615), (4723, 14105)]