31379824

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16481}}^1$

素因数の和:16513

約数の個数: 40

約数和(自身を含む): 73575648

約数和(自身を除く): 42195824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 16481, 32962, 65924, 115367, 131848, 230734, 263696, 280177, 461468, 560354, 922936, 1120708, 1845872, 1961239, 2241416, 3922478, 4482832, 7844956, 15689912, 31379824]

約数ペア:

[(1, 31379824), (2, 15689912), (4, 7844956), (7, 4482832), (8, 3922478), (14, 2241416), (16, 1961239), (17, 1845872), (28, 1120708), (34, 922936), (56, 560354), (68, 461468), (112, 280177), (119, 263696), (136, 230734), (238, 131848), (272, 115367), (476, 65924), (952, 32962), (1904, 16481)]