28791055

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 9311345

約数列:

[1, 5, 23, 29, 89, 97, 115, 145, 445, 485, 667, 2047, 2231, 2581, 2813, 3335, 8633, 10235, 11155, 12905, 14065, 43165, 59363, 64699, 198559, 250357, 296815, 323495, 992795, 1251785, 5758211, 28791055]

約数ペア:

[(1, 28791055), (5, 5758211), (23, 1251785), (29, 992795), (89, 323495), (97, 296815), (115, 250357), (145, 198559), (445, 64699), (485, 59363), (667, 43165), (2047, 14065), (2231, 12905), (2581, 11155), (2813, 10235), (3335, 8633)]