31386145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 45416448

約数和(自身を除く): 14030303

約数列:

[1, 5, 7, 23, 35, 115, 127, 161, 307, 635, 805, 889, 1535, 2149, 2921, 4445, 7061, 10745, 14605, 20447, 35305, 38989, 49427, 102235, 194945, 247135, 272923, 896747, 1364615, 4483735, 6277229, 31386145]

約数ペア:

[(1, 31386145), (5, 6277229), (7, 4483735), (23, 1364615), (35, 896747), (115, 272923), (127, 247135), (161, 194945), (307, 102235), (635, 49427), (805, 38989), (889, 35305), (1535, 20447), (2149, 14605), (2921, 10745), (4445, 7061)]