261838464

素因数分解:

$2^7\times 3^1\times {\mathrm{41}}^1\times {\mathrm{16631}}^1$

素因数の和:16689

約数の個数: 64

約数和(自身を含む): 712514880

約数和(自身を除く): 450676416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 328, 384, 492, 656, 984, 1312, 1968, 2624, 3936, 5248, 7872, 15744, 16631, 33262, 49893, 66524, 99786, 133048, 199572, 266096, 399144, 532192, 681871, 798288, 1064384, 1363742, 1596576, 2045613, 2128768, 2727484, 3193152, 4091226, 5454968, 6386304, 8182452, 10909936, 16364904, 21819872, 32729808, 43639744, 65459616, 87279488, 130919232, 261838464]

約数ペア:

[(1, 261838464), (2, 130919232), (3, 87279488), (4, 65459616), (6, 43639744), (8, 32729808), (12, 21819872), (16, 16364904), (24, 10909936), (32, 8182452), (41, 6386304), (48, 5454968), (64, 4091226), (82, 3193152), (96, 2727484), (123, 2128768), (128, 2045613), (164, 1596576), (192, 1363742), (246, 1064384), (328, 798288), (384, 681871), (492, 532192), (656, 399144), (984, 266096), (1312, 199572), (1968, 133048), (2624, 99786), (3936, 66524), (5248, 49893), (7872, 33262), (15744, 16631)]