81494244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 237025152

約数和(自身を除く): 155530908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 67, 69, 78, 92, 113, 117, 134, 138, 156, 201, 207, 226, 234, 268, 276, 299, 339, 402, 414, 452, 468, 598, 603, 678, 804, 828, 871, 897, 1017, 1196, 1206, 1356, 1469, 1541, 1742, 1794, 2034, 2412, 2599, 2613, 2691, 2938, 3082, 3484, 3588, 4068, 4407, 4623, 5198, 5226, 5382, 5876, 6164, 7571, 7797, 7839, 8814, 9246, 10396, 10452, 10764, 13221, 13869, 15142, 15594, 15678, 17628, 18492, 20033, 22713, 23391, 26442, 27738, 30284, 31188, 31356, 33787, 40066, 45426, 46782, 52884, 55476, 60099, 67574, 68139, 80132, 90852, 93564, 98423, 101361, 120198, 135148, 136278, 174133, 180297, 196846, 202722, 240396, 272556, 295269, 304083, 348266, 360594, 393692, 405444, 522399, 590538, 608166, 696532, 721188, 885807, 1044798, 1181076, 1216332, 1567197, 1771614, 2089596, 2263729, 3134394, 3543228, 4527458, 6268788, 6791187, 9054916, 13582374, 20373561, 27164748, 40747122, 81494244]

約数ペア:

[(1, 81494244), (2, 40747122), (3, 27164748), (4, 20373561), (6, 13582374), (9, 9054916), (12, 6791187), (13, 6268788), (18, 4527458), (23, 3543228), (26, 3134394), (36, 2263729), (39, 2089596), (46, 1771614), (52, 1567197), (67, 1216332), (69, 1181076), (78, 1044798), (92, 885807), (113, 721188), (117, 696532), (134, 608166), (138, 590538), (156, 522399), (201, 405444), (207, 393692), (226, 360594), (234, 348266), (268, 304083), (276, 295269), (299, 272556), (339, 240396), (402, 202722), (414, 196846), (452, 180297), (468, 174133), (598, 136278), (603, 135148), (678, 120198), (804, 101361), (828, 98423), (871, 93564), (897, 90852), (1017, 80132), (1196, 68139), (1206, 67574), (1356, 60099), (1469, 55476), (1541, 52884), (1742, 46782), (1794, 45426), (2034, 40066), (2412, 33787), (2599, 31356), (2613, 31188), (2691, 30284), (2938, 27738), (3082, 26442), (3484, 23391), (3588, 22713), (4068, 20033), (4407, 18492), (4623, 17628), (5198, 15678), (5226, 15594), (5382, 15142), (5876, 13869), (6164, 13221), (7571, 10764), (7797, 10452), (7839, 10396), (8814, 9246)]