80990642

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{2963}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 123776640

約数和(自身を除く): 42785998

約数列:

[1, 2, 79, 158, 173, 346, 2963, 5926, 13667, 27334, 234077, 468154, 512599, 1025198, 40495321, 80990642]

約数ペア:

[(1, 80990642), (2, 40495321), (79, 1025198), (158, 512599), (173, 468154), (346, 234077), (2963, 27334), (5926, 13667)]