51486354

素因数分解:

$2^1\times 3^7\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 118080000

約数和(自身を除く): 66593646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 149, 158, 162, 237, 243, 298, 447, 474, 486, 711, 729, 894, 1341, 1422, 1458, 2133, 2187, 2682, 4023, 4266, 4374, 6399, 8046, 11771, 12069, 12798, 19197, 23542, 24138, 35313, 36207, 38394, 57591, 70626, 72414, 105939, 108621, 115182, 172773, 211878, 217242, 317817, 325863, 345546, 635634, 651726, 953451, 1906902, 2860353, 5720706, 8581059, 17162118, 25743177, 51486354]

約数ペア:

[(1, 51486354), (2, 25743177), (3, 17162118), (6, 8581059), (9, 5720706), (18, 2860353), (27, 1906902), (54, 953451), (79, 651726), (81, 635634), (149, 345546), (158, 325863), (162, 317817), (237, 217242), (243, 211878), (298, 172773), (447, 115182), (474, 108621), (486, 105939), (711, 72414), (729, 70626), (894, 57591), (1341, 38394), (1422, 36207), (1458, 35313), (2133, 24138), (2187, 23542), (2682, 19197), (4023, 12798), (4266, 12069), (4374, 11771), (6399, 8046)]