28649870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 53273376

約数和(自身を除く): 24623506

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 305, 335, 610, 670, 701, 1402, 3505, 4087, 7010, 8174, 20435, 40870, 42761, 46967, 85522, 93934, 213805, 234835, 427610, 469670, 2864987, 5729974, 14324935, 28649870]

約数ペア:

[(1, 28649870), (2, 14324935), (5, 5729974), (10, 2864987), (61, 469670), (67, 427610), (122, 234835), (134, 213805), (305, 93934), (335, 85522), (610, 46967), (670, 42761), (701, 40870), (1402, 20435), (3505, 8174), (4087, 7010)]