15780212

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9239}}^1$

素因数の和:9311

約数の個数: 24

約数和(自身を含む): 32081280

約数和(自身を除く): 16301068

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 9239, 18478, 36956, 64673, 129346, 258692, 563579, 1127158, 2254316, 3945053, 7890106, 15780212]

約数ペア:

[(1, 15780212), (2, 7890106), (4, 3945053), (7, 2254316), (14, 1127158), (28, 563579), (61, 258692), (122, 129346), (244, 64673), (427, 36956), (854, 18478), (1708, 9239)]