31146856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 36590744

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 79, 104, 136, 158, 221, 223, 316, 442, 446, 632, 884, 892, 1027, 1343, 1768, 1784, 2054, 2686, 2899, 3791, 4108, 5372, 5798, 7582, 8216, 10744, 11596, 15164, 17459, 17617, 23192, 30328, 34918, 35234, 49283, 69836, 70468, 98566, 139672, 140936, 197132, 229021, 299489, 394264, 458042, 598978, 916084, 1197956, 1832168, 2395912, 3893357, 7786714, 15573428, 31146856]

約数ペア:

[(1, 31146856), (2, 15573428), (4, 7786714), (8, 3893357), (13, 2395912), (17, 1832168), (26, 1197956), (34, 916084), (52, 598978), (68, 458042), (79, 394264), (104, 299489), (136, 229021), (158, 197132), (221, 140936), (223, 139672), (316, 98566), (442, 70468), (446, 69836), (632, 49283), (884, 35234), (892, 34918), (1027, 30328), (1343, 23192), (1768, 17617), (1784, 17459), (2054, 15164), (2686, 11596), (2899, 10744), (3791, 8216), (4108, 7582), (5372, 5798)]