161228556

素因数分解:

$2^2\times 3^6\times {\mathrm{55291}}^1$

素因数の和:55313

約数の個数: 42

約数和(自身を含む): 423039092

約数和(自身を除く): 261810536

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 55291, 110582, 165873, 221164, 331746, 497619, 663492, 995238, 1492857, 1990476, 2985714, 4478571, 5971428, 8957142, 13435713, 17914284, 26871426, 40307139, 53742852, 80614278, 161228556]

約数ペア:

[(1, 161228556), (2, 80614278), (3, 53742852), (4, 40307139), (6, 26871426), (9, 17914284), (12, 13435713), (18, 8957142), (27, 5971428), (36, 4478571), (54, 2985714), (81, 1990476), (108, 1492857), (162, 995238), (243, 663492), (324, 497619), (486, 331746), (729, 221164), (972, 165873), (1458, 110582), (2916, 55291)]