12867664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 26025120

約数和(自身を除く): 13157456

約数列:

[1, 2, 4, 8, 16, 43, 59, 86, 118, 172, 236, 317, 344, 472, 634, 688, 944, 1268, 2536, 2537, 5072, 5074, 10148, 13631, 18703, 20296, 27262, 37406, 40592, 54524, 74812, 109048, 149624, 218096, 299248, 804229, 1608458, 3216916, 6433832, 12867664]

約数ペア:

[(1, 12867664), (2, 6433832), (4, 3216916), (8, 1608458), (16, 804229), (43, 299248), (59, 218096), (86, 149624), (118, 109048), (172, 74812), (236, 54524), (317, 40592), (344, 37406), (472, 27262), (634, 20296), (688, 18703), (944, 13631), (1268, 10148), (2536, 5074), (2537, 5072)]