81162230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 150128640

約数和(自身を除く): 68966410

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 1447, 2894, 5609, 7235, 11218, 14470, 28045, 56090, 102737, 114313, 205474, 228626, 513685, 571565, 1027370, 1143130, 8116223, 16232446, 40581115, 81162230]

約数ペア:

[(1, 81162230), (2, 40581115), (5, 16232446), (10, 8116223), (71, 1143130), (79, 1027370), (142, 571565), (158, 513685), (355, 228626), (395, 205474), (710, 114313), (790, 102737), (1447, 56090), (2894, 28045), (5609, 14470), (7235, 11218)]