391986408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 1140894720

約数和(自身を除く): 748908312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 167, 187, 204, 264, 334, 374, 408, 501, 523, 561, 668, 748, 1002, 1046, 1122, 1336, 1496, 1569, 1837, 2004, 2092, 2244, 2839, 3138, 3674, 4008, 4184, 4488, 5511, 5678, 5753, 6276, 7348, 8517, 8891, 11022, 11356, 11506, 12552, 14696, 17034, 17259, 17782, 22044, 22712, 23012, 26673, 31229, 34068, 34518, 35564, 44088, 46024, 53346, 62458, 68136, 69036, 71128, 87341, 93687, 97801, 106692, 124916, 138072, 174682, 187374, 195602, 213384, 249832, 262023, 293403, 349364, 374748, 391204, 524046, 586806, 698728, 749496, 782408, 960751, 1048092, 1173612, 1484797, 1921502, 2096184, 2347224, 2882253, 2969594, 3843004, 4454391, 5764506, 5939188, 7686008, 8908782, 11529012, 11878376, 16332767, 17817564, 23058024, 32665534, 35635128, 48998301, 65331068, 97996602, 130662136, 195993204, 391986408]

約数ペア:

[(1, 391986408), (2, 195993204), (3, 130662136), (4, 97996602), (6, 65331068), (8, 48998301), (11, 35635128), (12, 32665534), (17, 23058024), (22, 17817564), (24, 16332767), (33, 11878376), (34, 11529012), (44, 8908782), (51, 7686008), (66, 5939188), (68, 5764506), (88, 4454391), (102, 3843004), (132, 2969594), (136, 2882253), (167, 2347224), (187, 2096184), (204, 1921502), (264, 1484797), (334, 1173612), (374, 1048092), (408, 960751), (501, 782408), (523, 749496), (561, 698728), (668, 586806), (748, 524046), (1002, 391204), (1046, 374748), (1122, 349364), (1336, 293403), (1496, 262023), (1569, 249832), (1837, 213384), (2004, 195602), (2092, 187374), (2244, 174682), (2839, 138072), (3138, 124916), (3674, 106692), (4008, 97801), (4184, 93687), (4488, 87341), (5511, 71128), (5678, 69036), (5753, 68136), (6276, 62458), (7348, 53346), (8517, 46024), (8891, 44088), (11022, 35564), (11356, 34518), (11506, 34068), (12552, 31229), (14696, 26673), (17034, 23012), (17259, 22712), (17782, 22044)]