291239286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 653184000

約数和(自身を除く): 361944714

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 199, 377, 398, 597, 647, 754, 1131, 1194, 1294, 1941, 2262, 2587, 3882, 5174, 5771, 7761, 8411, 11542, 15522, 16822, 17313, 18763, 25233, 34626, 37526, 50466, 56289, 75023, 112578, 128753, 150046, 225069, 243919, 257506, 386259, 450138, 487838, 731757, 772518, 1463514, 1673789, 3347578, 3733837, 5021367, 7467674, 10042734, 11201511, 22403022, 48539881, 97079762, 145619643, 291239286]

約数ペア:

[(1, 291239286), (2, 145619643), (3, 97079762), (6, 48539881), (13, 22403022), (26, 11201511), (29, 10042734), (39, 7467674), (58, 5021367), (78, 3733837), (87, 3347578), (174, 1673789), (199, 1463514), (377, 772518), (398, 731757), (597, 487838), (647, 450138), (754, 386259), (1131, 257506), (1194, 243919), (1294, 225069), (1941, 150046), (2262, 128753), (2587, 112578), (3882, 75023), (5174, 56289), (5771, 50466), (7761, 37526), (8411, 34626), (11542, 25233), (15522, 18763), (16822, 17313)]