28778823507

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1\times {\mathrm{2213}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 47184768000

約数和(自身を除く): 18405944493

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 219, 357, 499, 511, 1241, 1497, 1533, 2213, 3493, 3723, 6639, 8483, 8687, 10479, 15491, 25449, 26061, 36427, 37621, 46473, 59381, 109281, 112863, 161549, 178143, 254989, 263347, 484647, 619259, 764967, 790041, 1104287, 1130843, 1857777, 2746333, 3312861, 3392529, 4334813, 7730009, 8238999, 13004439, 18772879, 19224331, 23190027, 56318637, 57672993, 80612951, 131410153, 241838853, 394230459, 564290657, 1370420167, 1692871971, 4111260501, 9592941169, 28778823507]

約数ペア:

[(1, 28778823507), (3, 9592941169), (7, 4111260501), (17, 1692871971), (21, 1370420167), (51, 564290657), (73, 394230459), (119, 241838853), (219, 131410153), (357, 80612951), (499, 57672993), (511, 56318637), (1241, 23190027), (1497, 19224331), (1533, 18772879), (2213, 13004439), (3493, 8238999), (3723, 7730009), (6639, 4334813), (8483, 3392529), (8687, 3312861), (10479, 2746333), (15491, 1857777), (25449, 1130843), (26061, 1104287), (36427, 790041), (37621, 764967), (46473, 619259), (59381, 484647), (109281, 263347), (112863, 254989), (161549, 178143)]