81078368

素因数分解:

$2^5\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1279}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 183214080

約数和(自身を除く): 102135712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 283, 566, 1132, 1279, 1981, 2264, 2558, 3962, 4528, 5116, 7924, 8953, 9056, 10232, 15848, 17906, 20464, 31696, 35812, 40928, 63392, 71624, 143248, 286496, 361957, 723914, 1447828, 2533699, 2895656, 5067398, 5791312, 10134796, 11582624, 20269592, 40539184, 81078368]

約数ペア:

[(1, 81078368), (2, 40539184), (4, 20269592), (7, 11582624), (8, 10134796), (14, 5791312), (16, 5067398), (28, 2895656), (32, 2533699), (56, 1447828), (112, 723914), (224, 361957), (283, 286496), (566, 143248), (1132, 71624), (1279, 63392), (1981, 40928), (2264, 35812), (2558, 31696), (3962, 20464), (4528, 17906), (5116, 15848), (7924, 10232), (8953, 9056)]