31497235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3603

約数の個数: 32

約数和(自身を含む): 49185792

約数和(自身を除く): 17688557

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 3557, 8855, 17785, 24899, 39127, 81811, 124495, 195635, 273889, 409055, 572677, 899921, 1369445, 2863385, 4499605, 6299447, 31497235]

約数ペア:

[(1, 31497235), (5, 6299447), (7, 4499605), (11, 2863385), (23, 1369445), (35, 899921), (55, 572677), (77, 409055), (115, 273889), (161, 195635), (253, 124495), (385, 81811), (805, 39127), (1265, 24899), (1771, 17785), (3557, 8855)]