408068668

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 874710144

約数和(自身を除く): 466641476

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 131, 161, 196, 262, 322, 524, 644, 691, 917, 1127, 1382, 1834, 2254, 2764, 3013, 3668, 4508, 4837, 6026, 6419, 9674, 12052, 12838, 15893, 19348, 21091, 25676, 31786, 33859, 42182, 63572, 67718, 84364, 90521, 111251, 135436, 147637, 181042, 222502, 295274, 362084, 445004, 590548, 633647, 778757, 1267294, 1557514, 2081983, 2534588, 3115028, 4163966, 4435529, 8327932, 8871058, 14573881, 17742116, 29147762, 58295524, 102017167, 204034334, 408068668]

約数ペア:

[(1, 408068668), (2, 204034334), (4, 102017167), (7, 58295524), (14, 29147762), (23, 17742116), (28, 14573881), (46, 8871058), (49, 8327932), (92, 4435529), (98, 4163966), (131, 3115028), (161, 2534588), (196, 2081983), (262, 1557514), (322, 1267294), (524, 778757), (644, 633647), (691, 590548), (917, 445004), (1127, 362084), (1382, 295274), (1834, 222502), (2254, 181042), (2764, 147637), (3013, 135436), (3668, 111251), (4508, 90521), (4837, 84364), (6026, 67718), (6419, 63572), (9674, 42182), (12052, 33859), (12838, 31786), (15893, 25676), (19348, 21091)]