31645548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 87993360

約数和(自身を除く): 56347812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 471, 509, 628, 942, 1018, 1413, 1527, 1727, 1884, 2036, 2826, 3054, 3454, 4581, 5181, 5599, 5652, 6108, 6908, 9162, 10362, 11198, 15543, 16797, 18324, 20724, 22396, 31086, 33594, 50391, 62172, 67188, 79913, 100782, 159826, 201564, 239739, 319652, 479478, 719217, 879043, 958956, 1438434, 1758086, 2637129, 2876868, 3516172, 5274258, 7911387, 10548516, 15822774, 31645548]

約数ペア:

[(1, 31645548), (2, 15822774), (3, 10548516), (4, 7911387), (6, 5274258), (9, 3516172), (11, 2876868), (12, 2637129), (18, 1758086), (22, 1438434), (33, 958956), (36, 879043), (44, 719217), (66, 479478), (99, 319652), (132, 239739), (157, 201564), (198, 159826), (314, 100782), (396, 79913), (471, 67188), (509, 62172), (628, 50391), (942, 33594), (1018, 31086), (1413, 22396), (1527, 20724), (1727, 18324), (1884, 16797), (2036, 15543), (2826, 11198), (3054, 10362), (3454, 9162), (4581, 6908), (5181, 6108), (5599, 5652)]