28350917

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 7895611

約数列:

[1, 7, 17, 37, 47, 119, 137, 259, 329, 629, 799, 959, 1739, 2329, 4403, 5069, 5593, 6439, 12173, 16303, 29563, 35483, 45073, 86173, 109463, 206941, 238243, 603211, 766241, 1667701, 4050131, 28350917]

約数ペア:

[(1, 28350917), (7, 4050131), (17, 1667701), (37, 766241), (47, 603211), (119, 238243), (137, 206941), (259, 109463), (329, 86173), (629, 45073), (799, 35483), (959, 29563), (1739, 16303), (2329, 12173), (4403, 6439), (5069, 5593)]