247335712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1301}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 525950712

約数和(自身を除く): 278615000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 457, 914, 1301, 1828, 2602, 3656, 5204, 5941, 7312, 10408, 11882, 14624, 16913, 20816, 23764, 33826, 41632, 47528, 67652, 95056, 135304, 190112, 270608, 541216, 594557, 1189114, 2378228, 4756456, 7729241, 9512912, 15458482, 19025824, 30916964, 61833928, 123667856, 247335712]

約数ペア:

[(1, 247335712), (2, 123667856), (4, 61833928), (8, 30916964), (13, 19025824), (16, 15458482), (26, 9512912), (32, 7729241), (52, 4756456), (104, 2378228), (208, 1189114), (416, 594557), (457, 541216), (914, 270608), (1301, 190112), (1828, 135304), (2602, 95056), (3656, 67652), (5204, 47528), (5941, 41632), (7312, 33826), (10408, 23764), (11882, 20816), (14624, 16913)]