81880708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224947}}^1$

素因数の和:224971

約数の個数: 24

約数和(自身を含む): 176359232

約数和(自身を除く): 94478524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 224947, 449894, 899788, 1574629, 2924311, 3149258, 5848622, 6298516, 11697244, 20470177, 40940354, 81880708]

約数ペア:

[(1, 81880708), (2, 40940354), (4, 20470177), (7, 11697244), (13, 6298516), (14, 5848622), (26, 3149258), (28, 2924311), (52, 1574629), (91, 899788), (182, 449894), (364, 224947)]