81217312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1289}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 175543200

約数和(自身を除く): 94325888

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 179, 352, 358, 716, 1289, 1432, 1969, 2578, 2864, 3938, 5156, 5728, 7876, 10312, 14179, 15752, 20624, 28358, 31504, 41248, 56716, 63008, 113432, 226864, 230731, 453728, 461462, 922924, 1845848, 2538041, 3691696, 5076082, 7383392, 10152164, 20304328, 40608656, 81217312]

約数ペア:

[(1, 81217312), (2, 40608656), (4, 20304328), (8, 10152164), (11, 7383392), (16, 5076082), (22, 3691696), (32, 2538041), (44, 1845848), (88, 922924), (176, 461462), (179, 453728), (352, 230731), (358, 226864), (716, 113432), (1289, 63008), (1432, 56716), (1969, 41248), (2578, 31504), (2864, 28358), (3938, 20624), (5156, 15752), (5728, 14179), (7876, 10312)]