77219915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{3803}}^1$

素因数の和:3970

約数の個数: 16

約数和(自身を含む): 96408576

約数和(自身を除く): 19188661

約数列:

[1, 5, 31, 131, 155, 655, 3803, 4061, 19015, 20305, 117893, 498193, 589465, 2490965, 15443983, 77219915]

約数ペア:

[(1, 77219915), (5, 15443983), (31, 2490965), (131, 589465), (155, 498193), (655, 117893), (3803, 20305), (4061, 19015)]