81138016

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61843}}^1$

素因数の和:61894

約数の個数: 24

約数和(自身を含む): 163639224

約数和(自身を除く): 82501208

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 61843, 123686, 247372, 494744, 989488, 1978976, 2535563, 5071126, 10142252, 20284504, 40569008, 81138016]

約数ペア:

[(1, 81138016), (2, 40569008), (4, 20284504), (8, 10142252), (16, 5071126), (32, 2535563), (41, 1978976), (82, 989488), (164, 494744), (328, 247372), (656, 123686), (1312, 61843)]