138701905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{4241}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 172666368

約数和(自身を除く): 33964463

約数列:

[1, 5, 31, 155, 211, 1055, 4241, 6541, 21205, 32705, 131471, 657355, 894851, 4474255, 27740381, 138701905]

約数ペア:

[(1, 138701905), (5, 27740381), (31, 4474255), (155, 894851), (211, 657355), (1055, 131471), (4241, 32705), (6541, 21205)]