28181296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 37127024

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 109, 113, 143, 176, 208, 218, 226, 286, 436, 452, 572, 872, 904, 1144, 1199, 1243, 1417, 1469, 1744, 1808, 2288, 2398, 2486, 2834, 2938, 4796, 4972, 5668, 5876, 9592, 9944, 11336, 11752, 12317, 15587, 16159, 19184, 19888, 22672, 23504, 24634, 31174, 32318, 49268, 62348, 64636, 98536, 124696, 129272, 135487, 160121, 197072, 249392, 258544, 270974, 320242, 541948, 640484, 1083896, 1280968, 1761331, 2167792, 2561936, 3522662, 7045324, 14090648, 28181296]

約数ペア:

[(1, 28181296), (2, 14090648), (4, 7045324), (8, 3522662), (11, 2561936), (13, 2167792), (16, 1761331), (22, 1280968), (26, 1083896), (44, 640484), (52, 541948), (88, 320242), (104, 270974), (109, 258544), (113, 249392), (143, 197072), (176, 160121), (208, 135487), (218, 129272), (226, 124696), (286, 98536), (436, 64636), (452, 62348), (572, 49268), (872, 32318), (904, 31174), (1144, 24634), (1199, 23504), (1243, 22672), (1417, 19888), (1469, 19184), (1744, 16159), (1808, 15587), (2288, 12317), (2398, 11752), (2486, 11336), (2834, 9944), (2938, 9592), (4796, 5876), (4972, 5668)]