291213128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 611193600

約数和(自身を除く): 319980472

約数列:

[1, 2, 4, 8, 17, 29, 34, 47, 58, 68, 94, 116, 136, 188, 232, 376, 493, 799, 986, 1363, 1571, 1598, 1972, 2726, 3142, 3196, 3944, 5452, 6284, 6392, 10904, 12568, 23171, 26707, 45559, 46342, 53414, 73837, 91118, 92684, 106828, 147674, 182236, 185368, 213656, 295348, 364472, 590696, 774503, 1255229, 1549006, 2141273, 2510458, 3098012, 4282546, 5020916, 6196024, 8565092, 10041832, 17130184, 36401641, 72803282, 145606564, 291213128]

約数ペア:

[(1, 291213128), (2, 145606564), (4, 72803282), (8, 36401641), (17, 17130184), (29, 10041832), (34, 8565092), (47, 6196024), (58, 5020916), (68, 4282546), (94, 3098012), (116, 2510458), (136, 2141273), (188, 1549006), (232, 1255229), (376, 774503), (493, 590696), (799, 364472), (986, 295348), (1363, 213656), (1571, 185368), (1598, 182236), (1972, 147674), (2726, 106828), (3142, 92684), (3196, 91118), (3944, 73837), (5452, 53414), (6284, 46342), (6392, 45559), (10904, 26707), (12568, 23171)]