198492704

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2145

約数の個数: 48

約数和(自身を含む): 408240000

約数和(自身を除く): 209747296

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 107, 116, 214, 232, 428, 464, 856, 928, 1712, 1999, 3103, 3424, 3998, 6206, 7996, 12412, 15992, 24824, 31984, 49648, 57971, 63968, 99296, 115942, 213893, 231884, 427786, 463768, 855572, 927536, 1711144, 1855072, 3422288, 6202897, 6844576, 12405794, 24811588, 49623176, 99246352, 198492704]

約数ペア:

[(1, 198492704), (2, 99246352), (4, 49623176), (8, 24811588), (16, 12405794), (29, 6844576), (32, 6202897), (58, 3422288), (107, 1855072), (116, 1711144), (214, 927536), (232, 855572), (428, 463768), (464, 427786), (856, 231884), (928, 213893), (1712, 115942), (1999, 99296), (3103, 63968), (3424, 57971), (3998, 49648), (6206, 31984), (7996, 24824), (12412, 15992)]