81153136

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 168270232

約数和(自身を除く): 87117096

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 163, 232, 296, 326, 464, 592, 652, 841, 1073, 1304, 1682, 2146, 2608, 3364, 4292, 4727, 6031, 6728, 8584, 9454, 12062, 13456, 17168, 18908, 24124, 31117, 37816, 48248, 62234, 75632, 96496, 124468, 137083, 174899, 248936, 274166, 349798, 497872, 548332, 699596, 1096664, 1399192, 2193328, 2798384, 5072071, 10144142, 20288284, 40576568, 81153136]

約数ペア:

[(1, 81153136), (2, 40576568), (4, 20288284), (8, 10144142), (16, 5072071), (29, 2798384), (37, 2193328), (58, 1399192), (74, 1096664), (116, 699596), (148, 548332), (163, 497872), (232, 349798), (296, 274166), (326, 248936), (464, 174899), (592, 137083), (652, 124468), (841, 96496), (1073, 75632), (1304, 62234), (1682, 48248), (2146, 37816), (2608, 31117), (3364, 24124), (4292, 18908), (4727, 17168), (6031, 13456), (6728, 12062), (8584, 9454)]