31891660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{967}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 71717184

約数和(自身を除く): 39825524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 967, 970, 1649, 1934, 1940, 3298, 3868, 4835, 6596, 8245, 9670, 16439, 16490, 19340, 32878, 32980, 65756, 82195, 93799, 164390, 187598, 328780, 375196, 468995, 937990, 1594583, 1875980, 3189166, 6378332, 7972915, 15945830, 31891660]

約数ペア:

[(1, 31891660), (2, 15945830), (4, 7972915), (5, 6378332), (10, 3189166), (17, 1875980), (20, 1594583), (34, 937990), (68, 468995), (85, 375196), (97, 328780), (170, 187598), (194, 164390), (340, 93799), (388, 82195), (485, 65756), (967, 32980), (970, 32878), (1649, 19340), (1934, 16490), (1940, 16439), (3298, 9670), (3868, 8245), (4835, 6596)]