15998856

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 25732344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 71, 82, 123, 142, 164, 213, 229, 246, 284, 328, 426, 458, 492, 568, 687, 852, 916, 984, 1374, 1704, 1832, 2748, 2911, 5496, 5822, 8733, 9389, 11644, 16259, 17466, 18778, 23288, 28167, 32518, 34932, 37556, 48777, 56334, 65036, 69864, 75112, 97554, 112668, 130072, 195108, 225336, 390216, 666619, 1333238, 1999857, 2666476, 3999714, 5332952, 7999428, 15998856]

約数ペア:

[(1, 15998856), (2, 7999428), (3, 5332952), (4, 3999714), (6, 2666476), (8, 1999857), (12, 1333238), (24, 666619), (41, 390216), (71, 225336), (82, 195108), (123, 130072), (142, 112668), (164, 97554), (213, 75112), (229, 69864), (246, 65036), (284, 56334), (328, 48777), (426, 37556), (458, 34932), (492, 32518), (568, 28167), (687, 23288), (852, 18778), (916, 17466), (984, 16259), (1374, 11644), (1704, 9389), (1832, 8733), (2748, 5822), (2911, 5496)]