71987812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{2647}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 135980096

約数和(自身を除く): 63992284

約数列:

[1, 2, 4, 13, 26, 52, 523, 1046, 2092, 2647, 5294, 6799, 10588, 13598, 27196, 34411, 68822, 137644, 1384381, 2768762, 5537524, 17996953, 35993906, 71987812]

約数ペア:

[(1, 71987812), (2, 35993906), (4, 17996953), (13, 5537524), (26, 2768762), (52, 1384381), (523, 137644), (1046, 68822), (2092, 34411), (2647, 27196), (5294, 13598), (6799, 10588)]