81280094

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{20089}}^1$

素因数の和:20132

約数の個数: 24

約数和(自身を含む): 148023120

約数和(自身を除く): 66743026

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 20089, 40178, 140623, 281246, 341513, 683026, 2390591, 4781182, 5805721, 11611442, 40640047, 81280094]

約数ペア:

[(1, 81280094), (2, 40640047), (7, 11611442), (14, 5805721), (17, 4781182), (34, 2390591), (119, 683026), (238, 341513), (289, 281246), (578, 140623), (2023, 40178), (4046, 20089)]