161745485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 216483840

約数和(自身を除く): 54738355

約数列:

[1, 5, 11, 55, 89, 173, 191, 445, 865, 955, 979, 1903, 2101, 4895, 9515, 10505, 15397, 16999, 33043, 76985, 84995, 165215, 169367, 186989, 363473, 846835, 934945, 1817365, 2940827, 14704135, 32349097, 161745485]

約数ペア:

[(1, 161745485), (5, 32349097), (11, 14704135), (55, 2940827), (89, 1817365), (173, 934945), (191, 846835), (445, 363473), (865, 186989), (955, 169367), (979, 165215), (1903, 84995), (2101, 76985), (4895, 33043), (9515, 16999), (10505, 15397)]