79997008

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 199487232

約数和(自身を除く): 119490224

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 49, 52, 56, 91, 94, 98, 104, 112, 167, 182, 188, 196, 208, 329, 334, 364, 376, 392, 611, 637, 658, 668, 728, 752, 784, 1169, 1222, 1274, 1316, 1336, 1456, 2171, 2303, 2338, 2444, 2548, 2632, 2672, 4277, 4342, 4606, 4676, 4888, 5096, 5264, 7849, 8183, 8554, 8684, 9212, 9352, 9776, 10192, 15197, 15698, 16366, 17108, 17368, 18424, 18704, 29939, 30394, 31396, 32732, 34216, 34736, 36848, 54943, 59878, 60788, 62792, 65464, 68432, 102037, 106379, 109886, 119756, 121576, 125584, 130928, 204074, 212758, 219772, 239512, 243152, 384601, 408148, 425516, 439544, 479024, 714259, 769202, 816296, 851032, 879088, 1428518, 1538404, 1632592, 1702064, 2857036, 3076808, 4999813, 5714072, 6153616, 9999626, 11428144, 19999252, 39998504, 79997008]

約数ペア:

[(1, 79997008), (2, 39998504), (4, 19999252), (7, 11428144), (8, 9999626), (13, 6153616), (14, 5714072), (16, 4999813), (26, 3076808), (28, 2857036), (47, 1702064), (49, 1632592), (52, 1538404), (56, 1428518), (91, 879088), (94, 851032), (98, 816296), (104, 769202), (112, 714259), (167, 479024), (182, 439544), (188, 425516), (196, 408148), (208, 384601), (329, 243152), (334, 239512), (364, 219772), (376, 212758), (392, 204074), (611, 130928), (637, 125584), (658, 121576), (668, 119756), (728, 109886), (752, 106379), (784, 102037), (1169, 68432), (1222, 65464), (1274, 62792), (1316, 60788), (1336, 59878), (1456, 54943), (2171, 36848), (2303, 34736), (2338, 34216), (2444, 32732), (2548, 31396), (2632, 30394), (2672, 29939), (4277, 18704), (4342, 18424), (4606, 17368), (4676, 17108), (4888, 16366), (5096, 15698), (5264, 15197), (7849, 10192), (8183, 9776), (8554, 9352), (8684, 9212)]