28918274

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 55898304

約数和(自身を除く): 26980030

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 121, 154, 242, 301, 397, 473, 602, 794, 847, 946, 1694, 2779, 3311, 4367, 5203, 5558, 6622, 8734, 10406, 17071, 30569, 34142, 36421, 48037, 61138, 72842, 96074, 119497, 187781, 238994, 336259, 375562, 672518, 1314467, 2065591, 2628934, 4131182, 14459137, 28918274]

約数ペア:

[(1, 28918274), (2, 14459137), (7, 4131182), (11, 2628934), (14, 2065591), (22, 1314467), (43, 672518), (77, 375562), (86, 336259), (121, 238994), (154, 187781), (242, 119497), (301, 96074), (397, 72842), (473, 61138), (602, 48037), (794, 36421), (847, 34142), (946, 30569), (1694, 17071), (2779, 10406), (3311, 8734), (4367, 6622), (5203, 5558)]