639528744344

素因数分解:

$2^3\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{7459279}}^1$

素因数の和:7460823

約数の個数: 32

約数和(自身を含む): 1371314035200

約数和(自身を除く): 731785290856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1531, 3062, 6124, 10717, 12248, 21434, 42868, 85736, 7459279, 14918558, 29837116, 52214953, 59674232, 104429906, 208859812, 417719624, 11420156149, 22840312298, 45680624596, 79941093043, 91361249192, 159882186086, 319764372172, 639528744344]

約数ペア:

[(1, 639528744344), (2, 319764372172), (4, 159882186086), (7, 91361249192), (8, 79941093043), (14, 45680624596), (28, 22840312298), (56, 11420156149), (1531, 417719624), (3062, 208859812), (6124, 104429906), (10717, 59674232), (12248, 52214953), (21434, 29837116), (42868, 14918558), (85736, 7459279)]