31480148

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2712

約数の個数: 36

約数和(自身を含む): 65159892

約数和(自身を除く): 33679744

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2633, 2989, 5266, 5978, 10532, 11956, 18431, 36862, 73724, 129017, 160613, 258034, 321226, 516068, 642452, 1124291, 2248582, 4497164, 7870037, 15740074, 31480148]

約数ペア:

[(1, 31480148), (2, 15740074), (4, 7870037), (7, 4497164), (14, 2248582), (28, 1124291), (49, 642452), (61, 516068), (98, 321226), (122, 258034), (196, 160613), (244, 129017), (427, 73724), (854, 36862), (1708, 18431), (2633, 11956), (2989, 10532), (5266, 5978)]