31690288

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2917}}^1$

素因数の和:3029

約数の個数: 40

約数和(自身を含む): 70919072

約数和(自身を除く): 39228784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 2917, 5432, 5834, 10864, 11668, 20419, 23336, 40838, 46672, 81676, 163352, 282949, 326704, 565898, 1131796, 1980643, 2263592, 3961286, 4527184, 7922572, 15845144, 31690288]

約数ペア:

[(1, 31690288), (2, 15845144), (4, 7922572), (7, 4527184), (8, 3961286), (14, 2263592), (16, 1980643), (28, 1131796), (56, 565898), (97, 326704), (112, 282949), (194, 163352), (388, 81676), (679, 46672), (776, 40838), (1358, 23336), (1552, 20419), (2716, 11668), (2917, 10864), (5432, 5834)]