15998416

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 35872704

約数和(自身を除く): 19874288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 1721, 2324, 3442, 4648, 6884, 9296, 12047, 13768, 24094, 27536, 48188, 96376, 142843, 192752, 285686, 571372, 999901, 1142744, 1999802, 2285488, 3999604, 7999208, 15998416]

約数ペア:

[(1, 15998416), (2, 7999208), (4, 3999604), (7, 2285488), (8, 1999802), (14, 1142744), (16, 999901), (28, 571372), (56, 285686), (83, 192752), (112, 142843), (166, 96376), (332, 48188), (581, 27536), (664, 24094), (1162, 13768), (1328, 12047), (1721, 9296), (2324, 6884), (3442, 4648)]