71681708

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{15901}}^1$

素因数の和:15942

約数の個数: 36

約数和(自身を含む): 152277552

約数和(自身を除く): 80595844

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 15901, 31802, 63604, 111307, 222614, 365723, 445228, 731446, 779149, 1462892, 1558298, 2560061, 3116596, 5120122, 10240244, 17920427, 35840854, 71681708]

約数ペア:

[(1, 71681708), (2, 35840854), (4, 17920427), (7, 10240244), (14, 5120122), (23, 3116596), (28, 2560061), (46, 1558298), (49, 1462892), (92, 779149), (98, 731446), (161, 445228), (196, 365723), (322, 222614), (644, 111307), (1127, 63604), (2254, 31802), (4508, 15901)]