1997131712

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{27397}}^1$

素因数の和:27493

約数の個数: 56

約数和(自身を含む): 4258964304

約数和(自身を除く): 2261832592

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 268, 272, 536, 544, 1072, 1088, 1139, 2144, 2278, 4288, 4556, 9112, 18224, 27397, 36448, 54794, 72896, 109588, 219176, 438352, 465749, 876704, 931498, 1753408, 1835599, 1862996, 3671198, 3725992, 7342396, 7451984, 14684792, 14903968, 29369584, 29807936, 31205183, 58739168, 62410366, 117478336, 124820732, 249641464, 499282928, 998565856, 1997131712]

約数ペア:

[(1, 1997131712), (2, 998565856), (4, 499282928), (8, 249641464), (16, 124820732), (17, 117478336), (32, 62410366), (34, 58739168), (64, 31205183), (67, 29807936), (68, 29369584), (134, 14903968), (136, 14684792), (268, 7451984), (272, 7342396), (536, 3725992), (544, 3671198), (1072, 1862996), (1088, 1835599), (1139, 1753408), (2144, 931498), (2278, 876704), (4288, 465749), (4556, 438352), (9112, 219176), (18224, 109588), (27397, 72896), (36448, 54794)]