72681856

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 64

約数和(自身を含む): 161078400

約数和(自身を除く): 88396544

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1409, 1612, 1664, 1984, 2818, 3224, 3968, 5636, 6448, 11272, 12896, 18317, 22544, 25792, 36634, 43679, 45088, 51584, 73268, 87358, 90176, 146536, 174716, 180352, 293072, 349432, 567827, 586144, 698864, 1135654, 1172288, 1397728, 2271308, 2344576, 2795456, 4542616, 5590912, 9085232, 18170464, 36340928, 72681856]

約数ペア:

[(1, 72681856), (2, 36340928), (4, 18170464), (8, 9085232), (13, 5590912), (16, 4542616), (26, 2795456), (31, 2344576), (32, 2271308), (52, 1397728), (62, 1172288), (64, 1135654), (104, 698864), (124, 586144), (128, 567827), (208, 349432), (248, 293072), (403, 180352), (416, 174716), (496, 146536), (806, 90176), (832, 87358), (992, 73268), (1409, 51584), (1612, 45088), (1664, 43679), (1984, 36634), (2818, 25792), (3224, 22544), (3968, 18317), (5636, 12896), (6448, 11272)]