320417578

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 545552280

約数和(自身を除く): 225134702

約数列:

[1, 2, 13, 26, 29, 58, 97, 169, 194, 337, 338, 377, 674, 754, 1261, 2522, 2813, 4381, 4901, 5626, 8762, 9773, 9802, 16393, 19546, 32689, 32786, 36569, 56953, 65378, 73138, 113906, 127049, 254098, 424957, 475397, 849914, 947981, 950794, 1651637, 1895962, 3303274, 5524441, 11048882, 12323753, 24647506, 160208789, 320417578]

約数ペア:

[(1, 320417578), (2, 160208789), (13, 24647506), (26, 12323753), (29, 11048882), (58, 5524441), (97, 3303274), (169, 1895962), (194, 1651637), (337, 950794), (338, 947981), (377, 849914), (674, 475397), (754, 424957), (1261, 254098), (2522, 127049), (2813, 113906), (4381, 73138), (4901, 65378), (5626, 56953), (8762, 36569), (9773, 32786), (9802, 32689), (16393, 19546)]