403728208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 863850960

約数和(自身を除く): 460122752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 113, 178, 193, 208, 226, 356, 386, 452, 712, 772, 904, 1157, 1424, 1469, 1544, 1808, 2314, 2509, 2938, 3088, 4628, 5018, 5876, 9256, 10036, 10057, 11752, 17177, 18512, 20072, 20114, 21809, 23504, 34354, 40144, 40228, 43618, 68708, 80456, 87236, 130741, 137416, 160912, 174472, 223301, 261482, 274832, 283517, 348944, 446602, 522964, 567034, 893204, 1045928, 1134068, 1786408, 1941001, 2091856, 2268136, 3572816, 3882002, 4536272, 7764004, 15528008, 25233013, 31056016, 50466026, 100932052, 201864104, 403728208]

約数ペア:

[(1, 403728208), (2, 201864104), (4, 100932052), (8, 50466026), (13, 31056016), (16, 25233013), (26, 15528008), (52, 7764004), (89, 4536272), (104, 3882002), (113, 3572816), (178, 2268136), (193, 2091856), (208, 1941001), (226, 1786408), (356, 1134068), (386, 1045928), (452, 893204), (712, 567034), (772, 522964), (904, 446602), (1157, 348944), (1424, 283517), (1469, 274832), (1544, 261482), (1808, 223301), (2314, 174472), (2509, 160912), (2938, 137416), (3088, 130741), (4628, 87236), (5018, 80456), (5876, 68708), (9256, 43618), (10036, 40228), (10057, 40144), (11752, 34354), (17177, 23504), (18512, 21809), (20072, 20114)]