198623992

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 440003520

約数和(自身を除く): 241379528

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 257, 259, 296, 373, 514, 518, 746, 1028, 1036, 1492, 1799, 2056, 2072, 2611, 2984, 3598, 5222, 7196, 9509, 10444, 13801, 14392, 19018, 20888, 27602, 38036, 55204, 66563, 76072, 95861, 96607, 110408, 133126, 191722, 193214, 266252, 383444, 386428, 532504, 671027, 766888, 772856, 1342054, 2684108, 3546857, 5368216, 7093714, 14187428, 24827999, 28374856, 49655998, 99311996, 198623992]

約数ペア:

[(1, 198623992), (2, 99311996), (4, 49655998), (7, 28374856), (8, 24827999), (14, 14187428), (28, 7093714), (37, 5368216), (56, 3546857), (74, 2684108), (148, 1342054), (257, 772856), (259, 766888), (296, 671027), (373, 532504), (514, 386428), (518, 383444), (746, 266252), (1028, 193214), (1036, 191722), (1492, 133126), (1799, 110408), (2056, 96607), (2072, 95861), (2611, 76072), (2984, 66563), (3598, 55204), (5222, 38036), (7196, 27602), (9509, 20888), (10444, 19018), (13801, 14392)]