81434864

素因数分解:

$2^4\times 7^2\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:694

約数の個数: 60

約数和(自身を含む): 184729248

約数和(自身を除く): 103294384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 241, 392, 431, 482, 784, 862, 964, 1687, 1724, 1928, 3017, 3374, 3448, 3856, 6034, 6748, 6896, 11809, 12068, 13496, 21119, 23618, 24136, 26992, 42238, 47236, 48272, 84476, 94472, 103871, 168952, 188944, 207742, 337904, 415484, 727097, 830968, 1454194, 1661936, 2908388, 5089679, 5816776, 10179358, 11633552, 20358716, 40717432, 81434864]

約数ペア:

[(1, 81434864), (2, 40717432), (4, 20358716), (7, 11633552), (8, 10179358), (14, 5816776), (16, 5089679), (28, 2908388), (49, 1661936), (56, 1454194), (98, 830968), (112, 727097), (196, 415484), (241, 337904), (392, 207742), (431, 188944), (482, 168952), (784, 103871), (862, 94472), (964, 84476), (1687, 48272), (1724, 47236), (1928, 42238), (3017, 26992), (3374, 24136), (3448, 23618), (3856, 21119), (6034, 13496), (6748, 12068), (6896, 11809)]