397345845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1894

約数の個数: 64

約数和(自身を含む): 736162560

約数和(自身を除く): 338816715

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 67, 85, 195, 201, 221, 255, 335, 663, 871, 1005, 1105, 1139, 1789, 2613, 3315, 3417, 4355, 5367, 5695, 8945, 13065, 14807, 17085, 23257, 26835, 30413, 44421, 69771, 74035, 91239, 116285, 119863, 152065, 222105, 348855, 359589, 395369, 456195, 599315, 1186107, 1558219, 1797945, 1976845, 2037671, 4674657, 5930535, 6113013, 7791095, 10188355, 23373285, 26489723, 30565065, 79469169, 132448615, 397345845]

約数ペア:

[(1, 397345845), (3, 132448615), (5, 79469169), (13, 30565065), (15, 26489723), (17, 23373285), (39, 10188355), (51, 7791095), (65, 6113013), (67, 5930535), (85, 4674657), (195, 2037671), (201, 1976845), (221, 1797945), (255, 1558219), (335, 1186107), (663, 599315), (871, 456195), (1005, 395369), (1105, 359589), (1139, 348855), (1789, 222105), (2613, 152065), (3315, 119863), (3417, 116285), (4355, 91239), (5367, 74035), (5695, 69771), (8945, 44421), (13065, 30413), (14807, 26835), (17085, 23257)]