81642716

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 150308424

約数和(自身を除く): 68665708

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 317, 634, 961, 1268, 1922, 2077, 3844, 4154, 8308, 9827, 19654, 21239, 39308, 42478, 64387, 84956, 128774, 257548, 304637, 609274, 658409, 1218548, 1316818, 2633636, 20410679, 40821358, 81642716]

約数ペア:

[(1, 81642716), (2, 40821358), (4, 20410679), (31, 2633636), (62, 1316818), (67, 1218548), (124, 658409), (134, 609274), (268, 304637), (317, 257548), (634, 128774), (961, 84956), (1268, 64387), (1922, 42478), (2077, 39308), (3844, 21239), (4154, 19654), (8308, 9827)]