81921728

素因数分解:

$2^6\times 7^2\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 84

約数和(自身を含む): 191457072

約数和(自身を除く): 109535344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 151, 173, 196, 224, 302, 346, 392, 448, 604, 692, 784, 1057, 1208, 1211, 1384, 1568, 2114, 2416, 2422, 2768, 3136, 4228, 4832, 4844, 5536, 7399, 8456, 8477, 9664, 9688, 11072, 14798, 16912, 16954, 19376, 26123, 29596, 33824, 33908, 38752, 52246, 59192, 67648, 67816, 77504, 104492, 118384, 135632, 182861, 208984, 236768, 271264, 365722, 417968, 473536, 542528, 731444, 835936, 1280027, 1462888, 1671872, 2560054, 2925776, 5120108, 5851552, 10240216, 11703104, 20480432, 40960864, 81921728]

約数ペア:

[(1, 81921728), (2, 40960864), (4, 20480432), (7, 11703104), (8, 10240216), (14, 5851552), (16, 5120108), (28, 2925776), (32, 2560054), (49, 1671872), (56, 1462888), (64, 1280027), (98, 835936), (112, 731444), (151, 542528), (173, 473536), (196, 417968), (224, 365722), (302, 271264), (346, 236768), (392, 208984), (448, 182861), (604, 135632), (692, 118384), (784, 104492), (1057, 77504), (1208, 67816), (1211, 67648), (1384, 59192), (1568, 52246), (2114, 38752), (2416, 33908), (2422, 33824), (2768, 29596), (3136, 26123), (4228, 19376), (4832, 16954), (4844, 16912), (5536, 14798), (7399, 11072), (8456, 9688), (8477, 9664)]