31891496

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 74753280

約数和(自身を除く): 42861784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 617, 728, 923, 994, 1234, 1846, 1988, 2468, 3692, 3976, 4319, 4936, 6461, 7384, 8021, 8638, 12922, 16042, 17276, 25844, 32084, 34552, 43807, 51688, 56147, 64168, 87614, 112294, 175228, 224588, 306649, 350456, 449176, 569491, 613298, 1138982, 1226596, 2277964, 2453192, 3986437, 4555928, 7972874, 15945748, 31891496]

約数ペア:

[(1, 31891496), (2, 15945748), (4, 7972874), (7, 4555928), (8, 3986437), (13, 2453192), (14, 2277964), (26, 1226596), (28, 1138982), (52, 613298), (56, 569491), (71, 449176), (91, 350456), (104, 306649), (142, 224588), (182, 175228), (284, 112294), (364, 87614), (497, 64168), (568, 56147), (617, 51688), (728, 43807), (923, 34552), (994, 32084), (1234, 25844), (1846, 17276), (1988, 16042), (2468, 12922), (3692, 8638), (3976, 8021), (4319, 7384), (4936, 6461)]