28231736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31643464

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 107, 118, 172, 214, 236, 344, 428, 472, 559, 767, 856, 1118, 1391, 1534, 2236, 2537, 2782, 3068, 4472, 4601, 5074, 5564, 6136, 6313, 9202, 10148, 11128, 12626, 18404, 20296, 25252, 32981, 36808, 50504, 59813, 65962, 82069, 119626, 131924, 164138, 239252, 263848, 271459, 328276, 478504, 542918, 656552, 1085836, 2171672, 3528967, 7057934, 14115868, 28231736]

約数ペア:

[(1, 28231736), (2, 14115868), (4, 7057934), (8, 3528967), (13, 2171672), (26, 1085836), (43, 656552), (52, 542918), (59, 478504), (86, 328276), (104, 271459), (107, 263848), (118, 239252), (172, 164138), (214, 131924), (236, 119626), (344, 82069), (428, 65962), (472, 59813), (559, 50504), (767, 36808), (856, 32981), (1118, 25252), (1391, 20296), (1534, 18404), (2236, 12626), (2537, 11128), (2782, 10148), (3068, 9202), (4472, 6313), (4601, 6136), (5074, 5564)]