161213168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{743}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 318836736

約数和(自身を除く): 157623568

約数列:

[1, 2, 4, 8, 16, 71, 142, 191, 284, 382, 568, 743, 764, 1136, 1486, 1528, 2972, 3056, 5944, 11888, 13561, 27122, 52753, 54244, 105506, 108488, 141913, 211012, 216976, 283826, 422024, 567652, 844048, 1135304, 2270608, 10075823, 20151646, 40303292, 80606584, 161213168]

約数ペア:

[(1, 161213168), (2, 80606584), (4, 40303292), (8, 20151646), (16, 10075823), (71, 2270608), (142, 1135304), (191, 844048), (284, 567652), (382, 422024), (568, 283826), (743, 216976), (764, 211012), (1136, 141913), (1486, 108488), (1528, 105506), (2972, 54244), (3056, 52753), (5944, 27122), (11888, 13561)]