81642715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11161}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 128586240

約数和(自身を除く): 46943525

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 11161, 55805, 78127, 122771, 212059, 390635, 613855, 859397, 1060295, 1484413, 2332649, 4296985, 7422065, 11663245, 16328543, 81642715]

約数ペア:

[(1, 81642715), (5, 16328543), (7, 11663245), (11, 7422065), (19, 4296985), (35, 2332649), (55, 1484413), (77, 1060295), (95, 859397), (133, 613855), (209, 390635), (385, 212059), (665, 122771), (1045, 78127), (1463, 55805), (7315, 11161)]