178992008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{90583}}^1$

素因数の和:90621

約数の個数: 32

約数和(自身を含む): 380452800

約数和(自身を除く): 201460792

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 90583, 181166, 362332, 724664, 1177579, 1721077, 2355158, 3442154, 4710316, 6884308, 9420632, 13768616, 22374001, 44748002, 89496004, 178992008]

約数ペア:

[(1, 178992008), (2, 89496004), (4, 44748002), (8, 22374001), (13, 13768616), (19, 9420632), (26, 6884308), (38, 4710316), (52, 3442154), (76, 2355158), (104, 1721077), (152, 1177579), (247, 724664), (494, 362332), (988, 181166), (1976, 90583)]