318703216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 709267104

約数和(自身を除く): 390563888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 193, 208, 221, 272, 386, 442, 467, 772, 884, 934, 1544, 1768, 1868, 2509, 3088, 3281, 3536, 3736, 5018, 6071, 6562, 7472, 7939, 10036, 12142, 13124, 15878, 20072, 24284, 26248, 31756, 40144, 42653, 48568, 52496, 63512, 85306, 90131, 97136, 103207, 127024, 170612, 180262, 206414, 341224, 360524, 412828, 682448, 721048, 825656, 1171703, 1442096, 1532227, 1651312, 2343406, 3064454, 4686812, 6128908, 9373624, 12257816, 18747248, 19918951, 24515632, 39837902, 79675804, 159351608, 318703216]

約数ペア:

[(1, 318703216), (2, 159351608), (4, 79675804), (8, 39837902), (13, 24515632), (16, 19918951), (17, 18747248), (26, 12257816), (34, 9373624), (52, 6128908), (68, 4686812), (104, 3064454), (136, 2343406), (193, 1651312), (208, 1532227), (221, 1442096), (272, 1171703), (386, 825656), (442, 721048), (467, 682448), (772, 412828), (884, 360524), (934, 341224), (1544, 206414), (1768, 180262), (1868, 170612), (2509, 127024), (3088, 103207), (3281, 97136), (3536, 90131), (3736, 85306), (5018, 63512), (6071, 52496), (6562, 48568), (7472, 42653), (7939, 40144), (10036, 31756), (12142, 26248), (13124, 24284), (15878, 20072)]