1297712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 40

約数和(自身を含む): 2874816

約数和(自身を除く): 1577104

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 367, 442, 734, 884, 1468, 1768, 2936, 3536, 4771, 5872, 6239, 9542, 12478, 19084, 24956, 38168, 49912, 76336, 81107, 99824, 162214, 324428, 648856, 1297712]

約数ペア:

[(1, 1297712), (2, 648856), (4, 324428), (8, 162214), (13, 99824), (16, 81107), (17, 76336), (26, 49912), (34, 38168), (52, 24956), (68, 19084), (104, 12478), (136, 9542), (208, 6239), (221, 5872), (272, 4771), (367, 3536), (442, 2936), (734, 1768), (884, 1468)]