311691856

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 719953920

約数和(自身を除く): 408262064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 107, 112, 124, 214, 217, 248, 428, 434, 496, 749, 839, 856, 868, 1498, 1678, 1712, 1736, 2996, 3317, 3356, 3472, 5873, 5992, 6634, 6712, 11746, 11984, 13268, 13424, 23219, 23492, 26009, 26536, 46438, 46984, 52018, 53072, 89773, 92876, 93968, 104036, 179546, 182063, 185752, 208072, 359092, 364126, 371504, 416144, 628411, 718184, 728252, 1256822, 1436368, 1456504, 2513644, 2782963, 2913008, 5027288, 5565926, 10054576, 11131852, 19480741, 22263704, 38961482, 44527408, 77922964, 155845928, 311691856]

約数ペア:

[(1, 311691856), (2, 155845928), (4, 77922964), (7, 44527408), (8, 38961482), (14, 22263704), (16, 19480741), (28, 11131852), (31, 10054576), (56, 5565926), (62, 5027288), (107, 2913008), (112, 2782963), (124, 2513644), (214, 1456504), (217, 1436368), (248, 1256822), (428, 728252), (434, 718184), (496, 628411), (749, 416144), (839, 371504), (856, 364126), (868, 359092), (1498, 208072), (1678, 185752), (1712, 182063), (1736, 179546), (2996, 104036), (3317, 93968), (3356, 92876), (3472, 89773), (5873, 53072), (5992, 52018), (6634, 46984), (6712, 46438), (11746, 26536), (11984, 26009), (13268, 23492), (13424, 23219)]