28182456

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 80028000

約数和(自身を除く): 51845544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 71, 72, 74, 111, 142, 148, 149, 213, 222, 284, 296, 298, 333, 426, 444, 447, 568, 596, 639, 666, 852, 888, 894, 1192, 1278, 1332, 1341, 1704, 1788, 2556, 2627, 2664, 2682, 3576, 5112, 5254, 5364, 5513, 7881, 10508, 10579, 10728, 11026, 15762, 16539, 21016, 21158, 22052, 23643, 31524, 31737, 33078, 42316, 44104, 47286, 49617, 63048, 63474, 66156, 84632, 94572, 95211, 99234, 126948, 132312, 189144, 190422, 198468, 253896, 380844, 391423, 396936, 761688, 782846, 1174269, 1565692, 2348538, 3131384, 3522807, 4697076, 7045614, 9394152, 14091228, 28182456]

約数ペア:

[(1, 28182456), (2, 14091228), (3, 9394152), (4, 7045614), (6, 4697076), (8, 3522807), (9, 3131384), (12, 2348538), (18, 1565692), (24, 1174269), (36, 782846), (37, 761688), (71, 396936), (72, 391423), (74, 380844), (111, 253896), (142, 198468), (148, 190422), (149, 189144), (213, 132312), (222, 126948), (284, 99234), (296, 95211), (298, 94572), (333, 84632), (426, 66156), (444, 63474), (447, 63048), (568, 49617), (596, 47286), (639, 44104), (666, 42316), (852, 33078), (888, 31737), (894, 31524), (1192, 23643), (1278, 22052), (1332, 21158), (1341, 21016), (1704, 16539), (1788, 15762), (2556, 11026), (2627, 10728), (2664, 10579), (2682, 10508), (3576, 7881), (5112, 5513), (5254, 5364)]