71520782

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 114723840

約数和(自身を除く): 43203058

約数列:

[1, 2, 31, 43, 62, 86, 139, 193, 278, 386, 1333, 2666, 4309, 5977, 5983, 8299, 8618, 11954, 11966, 16598, 26827, 53654, 185287, 257269, 370574, 514538, 831637, 1153561, 1663274, 2307122, 35760391, 71520782]

約数ペア:

[(1, 71520782), (2, 35760391), (31, 2307122), (43, 1663274), (62, 1153561), (86, 831637), (139, 514538), (193, 370574), (278, 257269), (386, 185287), (1333, 53654), (2666, 26827), (4309, 16598), (5977, 11966), (5983, 11954), (8299, 8618)]