28746928

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 60

約数和(自身を含む): 66608832

約数和(自身を除く): 37861904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 784, 991, 1036, 1813, 1982, 2072, 3626, 3964, 4144, 6937, 7252, 7928, 13874, 14504, 15856, 27748, 29008, 36667, 48559, 55496, 73334, 97118, 110992, 146668, 194236, 256669, 293336, 388472, 513338, 586672, 776944, 1026676, 1796683, 2053352, 3593366, 4106704, 7186732, 14373464, 28746928]

約数ペア:

[(1, 28746928), (2, 14373464), (4, 7186732), (7, 4106704), (8, 3593366), (14, 2053352), (16, 1796683), (28, 1026676), (37, 776944), (49, 586672), (56, 513338), (74, 388472), (98, 293336), (112, 256669), (148, 194236), (196, 146668), (259, 110992), (296, 97118), (392, 73334), (518, 55496), (592, 48559), (784, 36667), (991, 29008), (1036, 27748), (1813, 15856), (1982, 14504), (2072, 13874), (3626, 7928), (3964, 7252), (4144, 6937)]