31487872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 37056128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 149, 208, 254, 298, 416, 508, 596, 832, 1016, 1192, 1651, 1664, 1937, 2032, 2384, 3302, 3874, 4064, 4768, 6604, 7748, 8128, 9536, 13208, 15496, 16256, 18923, 19072, 26416, 30992, 37846, 52832, 61984, 75692, 105664, 123968, 151384, 211328, 245999, 247936, 302768, 491998, 605536, 983996, 1211072, 1967992, 2422144, 3935984, 7871968, 15743936, 31487872]

約数ペア:

[(1, 31487872), (2, 15743936), (4, 7871968), (8, 3935984), (13, 2422144), (16, 1967992), (26, 1211072), (32, 983996), (52, 605536), (64, 491998), (104, 302768), (127, 247936), (128, 245999), (149, 211328), (208, 151384), (254, 123968), (298, 105664), (416, 75692), (508, 61984), (596, 52832), (832, 37846), (1016, 30992), (1192, 26416), (1651, 19072), (1664, 18923), (1937, 16256), (2032, 15496), (2384, 13208), (3302, 9536), (3874, 8128), (4064, 7748), (4768, 6604)]