31281656

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 70848000

約数和(自身を除く): 39566344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 149, 161, 163, 184, 298, 322, 326, 596, 644, 652, 1043, 1141, 1192, 1288, 1304, 2086, 2282, 3427, 3749, 4172, 4564, 6854, 7498, 8344, 9128, 13708, 14996, 23989, 24287, 26243, 27416, 29992, 47978, 48574, 52486, 95956, 97148, 104972, 170009, 191912, 194296, 209944, 340018, 558601, 680036, 1117202, 1360072, 2234404, 3910207, 4468808, 7820414, 15640828, 31281656]

約数ペア:

[(1, 31281656), (2, 15640828), (4, 7820414), (7, 4468808), (8, 3910207), (14, 2234404), (23, 1360072), (28, 1117202), (46, 680036), (56, 558601), (92, 340018), (149, 209944), (161, 194296), (163, 191912), (184, 170009), (298, 104972), (322, 97148), (326, 95956), (596, 52486), (644, 48574), (652, 47978), (1043, 29992), (1141, 27416), (1192, 26243), (1288, 24287), (1304, 23989), (2086, 14996), (2282, 13708), (3427, 9128), (3749, 8344), (4172, 7498), (4564, 6854)]