81837084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 226293760

約数和(自身を除く): 144456676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 139, 163, 172, 258, 278, 301, 326, 417, 489, 516, 556, 602, 652, 834, 903, 973, 978, 1141, 1204, 1668, 1806, 1946, 1956, 2282, 2919, 3423, 3612, 3892, 4564, 5838, 5977, 6846, 7009, 11676, 11954, 13692, 14018, 17931, 21027, 22657, 23908, 28036, 35862, 41839, 42054, 45314, 49063, 67971, 71724, 83678, 84108, 90628, 98126, 125517, 135942, 147189, 158599, 167356, 196252, 251034, 271884, 294378, 317198, 475797, 502068, 588756, 634396, 951594, 974251, 1903188, 1948502, 2922753, 3897004, 5845506, 6819757, 11691012, 13639514, 20459271, 27279028, 40918542, 81837084]

約数ペア:

[(1, 81837084), (2, 40918542), (3, 27279028), (4, 20459271), (6, 13639514), (7, 11691012), (12, 6819757), (14, 5845506), (21, 3897004), (28, 2922753), (42, 1948502), (43, 1903188), (84, 974251), (86, 951594), (129, 634396), (139, 588756), (163, 502068), (172, 475797), (258, 317198), (278, 294378), (301, 271884), (326, 251034), (417, 196252), (489, 167356), (516, 158599), (556, 147189), (602, 135942), (652, 125517), (834, 98126), (903, 90628), (973, 84108), (978, 83678), (1141, 71724), (1204, 67971), (1668, 49063), (1806, 45314), (1946, 42054), (1956, 41839), (2282, 35862), (2919, 28036), (3423, 23908), (3612, 22657), (3892, 21027), (4564, 17931), (5838, 14018), (5977, 13692), (6846, 11954), (7009, 11676)]