31040317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 42799104

約数和(自身を除く): 11758787

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1031, 1309, 1771, 2737, 4301, 7217, 11341, 17527, 23713, 30107, 79387, 122689, 165991, 192797, 260843, 403121, 1349579, 1825901, 2821847, 4434331, 31040317]

約数ペア:

[(1, 31040317), (7, 4434331), (11, 2821847), (17, 1825901), (23, 1349579), (77, 403121), (119, 260843), (161, 192797), (187, 165991), (253, 122689), (391, 79387), (1031, 30107), (1309, 23713), (1771, 17527), (2737, 11341), (4301, 7217)]