31316556

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 75487104

約数和(自身を除く): 44170548

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 137, 172, 258, 274, 411, 443, 516, 548, 822, 886, 1329, 1644, 1772, 2658, 5316, 5891, 11782, 17673, 19049, 23564, 35346, 38098, 57147, 60691, 70692, 76196, 114294, 121382, 182073, 228588, 242764, 364146, 728292, 2609713, 5219426, 7829139, 10438852, 15658278, 31316556]

約数ペア:

[(1, 31316556), (2, 15658278), (3, 10438852), (4, 7829139), (6, 5219426), (12, 2609713), (43, 728292), (86, 364146), (129, 242764), (137, 228588), (172, 182073), (258, 121382), (274, 114294), (411, 76196), (443, 70692), (516, 60691), (548, 57147), (822, 38098), (886, 35346), (1329, 23564), (1644, 19049), (1772, 17673), (2658, 11782), (5316, 5891)]