1215208025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{98597}}^1$

素因数の和:98653

約数の個数: 24

約数和(自身を含む): 1650530520

約数和(自身を除く): 435322495

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 2465, 12325, 98597, 492985, 1676149, 2464925, 2859313, 8380745, 14296565, 41903725, 48608321, 71482825, 243041605, 1215208025]

約数ペア:

[(1, 1215208025), (5, 243041605), (17, 71482825), (25, 48608321), (29, 41903725), (85, 14296565), (145, 8380745), (425, 2859313), (493, 2464925), (725, 1676149), (2465, 492985), (12325, 98597)]