206780968

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{4987}}^1$

素因数の和:5137

約数の個数: 32

約数和(自身を含む): 398640960

約数和(自身を除く): 191859992

約数列:

[1, 2, 4, 8, 71, 73, 142, 146, 284, 292, 568, 584, 4987, 5183, 9974, 10366, 19948, 20732, 39896, 41464, 354077, 364051, 708154, 728102, 1416308, 1456204, 2832616, 2912408, 25847621, 51695242, 103390484, 206780968]

約数ペア:

[(1, 206780968), (2, 103390484), (4, 51695242), (8, 25847621), (71, 2912408), (73, 2832616), (142, 1456204), (146, 1416308), (284, 728102), (292, 708154), (568, 364051), (584, 354077), (4987, 41464), (5183, 39896), (9974, 20732), (10366, 19948)]