81655984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1$

素因数の和:1085

約数の個数: 40

約数和(自身を含む): 164350592

約数和(自身を除く): 82694608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 248, 386, 496, 772, 853, 1544, 1706, 3088, 3412, 5983, 6824, 11966, 13648, 23932, 26443, 47864, 52886, 95728, 105772, 164629, 211544, 329258, 423088, 658516, 1317032, 2634064, 5103499, 10206998, 20413996, 40827992, 81655984]

約数ペア:

[(1, 81655984), (2, 40827992), (4, 20413996), (8, 10206998), (16, 5103499), (31, 2634064), (62, 1317032), (124, 658516), (193, 423088), (248, 329258), (386, 211544), (496, 164629), (772, 105772), (853, 95728), (1544, 52886), (1706, 47864), (3088, 26443), (3412, 23932), (5983, 13648), (6824, 11966)]