681189392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 1451907072

約数和(自身を除く): 770717680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 127, 208, 214, 241, 254, 428, 482, 508, 856, 964, 1016, 1391, 1651, 1712, 1928, 2032, 2782, 3133, 3302, 3856, 5564, 6266, 6604, 11128, 12532, 13208, 13589, 22256, 25064, 25787, 26416, 27178, 30607, 50128, 51574, 54356, 61214, 103148, 108712, 122428, 176657, 206296, 217424, 244856, 335231, 353314, 397891, 412592, 489712, 670462, 706628, 795782, 1340924, 1413256, 1591564, 2681848, 2826512, 3183128, 3274949, 5363696, 6366256, 6549898, 13099796, 26199592, 42574337, 52399184, 85148674, 170297348, 340594696, 681189392]

約数ペア:

[(1, 681189392), (2, 340594696), (4, 170297348), (8, 85148674), (13, 52399184), (16, 42574337), (26, 26199592), (52, 13099796), (104, 6549898), (107, 6366256), (127, 5363696), (208, 3274949), (214, 3183128), (241, 2826512), (254, 2681848), (428, 1591564), (482, 1413256), (508, 1340924), (856, 795782), (964, 706628), (1016, 670462), (1391, 489712), (1651, 412592), (1712, 397891), (1928, 353314), (2032, 335231), (2782, 244856), (3133, 217424), (3302, 206296), (3856, 176657), (5564, 122428), (6266, 108712), (6604, 103148), (11128, 61214), (12532, 54356), (13208, 51574), (13589, 50128), (22256, 30607), (25064, 27178), (25787, 26416)]