817995025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{829}}^1\times {\mathrm{1361}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 1051327800

約数和(自身を除く): 233332775

約数列:

[1, 5, 25, 29, 145, 725, 829, 1361, 4145, 6805, 20725, 24041, 34025, 39469, 120205, 197345, 601025, 986725, 1128269, 5641345, 28206725, 32719801, 163599005, 817995025]

約数ペア:

[(1, 817995025), (5, 163599005), (25, 32719801), (29, 28206725), (145, 5641345), (725, 1128269), (829, 986725), (1361, 601025), (4145, 197345), (6805, 120205), (20725, 39469), (24041, 34025)]