12788528

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{13103}}^1$

素因数の和:13172

約数の個数: 20

約数和(自身を含む): 25185888

約数和(自身を除く): 12397360

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 13103, 26206, 52412, 104824, 209648, 799283, 1598566, 3197132, 6394264, 12788528]

約数ペア:

[(1, 12788528), (2, 6394264), (4, 3197132), (8, 1598566), (16, 799283), (61, 209648), (122, 104824), (244, 52412), (488, 26206), (976, 13103)]