9820415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 13685760

約数和(自身を除く): 3865345

約数列:

[1, 5, 11, 29, 47, 55, 131, 145, 235, 319, 517, 655, 1363, 1441, 1595, 2585, 3799, 6157, 6815, 7205, 14993, 18995, 30785, 41789, 67727, 74965, 178553, 208945, 338635, 892765, 1964083, 9820415]

約数ペア:

[(1, 9820415), (5, 1964083), (11, 892765), (29, 338635), (47, 208945), (55, 178553), (131, 74965), (145, 67727), (235, 41789), (319, 30785), (517, 18995), (655, 14993), (1363, 7205), (1441, 6815), (1595, 6157), (2585, 3799)]