217151710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2661

約数の個数: 48

約数和(自身を含む): 429701760

約数和(自身を除く): 212550050

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 289, 290, 493, 578, 986, 1445, 2465, 2591, 2890, 4930, 5182, 8381, 12955, 16762, 25910, 41905, 44047, 75139, 83810, 88094, 150278, 220235, 375695, 440470, 748799, 751390, 1277363, 1497598, 2554726, 3743995, 6386815, 7487990, 12773630, 21715171, 43430342, 108575855, 217151710]

約数ペア:

[(1, 217151710), (2, 108575855), (5, 43430342), (10, 21715171), (17, 12773630), (29, 7487990), (34, 6386815), (58, 3743995), (85, 2554726), (145, 1497598), (170, 1277363), (289, 751390), (290, 748799), (493, 440470), (578, 375695), (986, 220235), (1445, 150278), (2465, 88094), (2591, 83810), (2890, 75139), (4930, 44047), (5182, 41905), (8381, 25910), (12955, 16762)]