72140509

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 84049920

約数和(自身を除く): 11909411

約数列:

[1, 7, 79, 191, 553, 683, 1337, 4781, 15089, 53957, 105623, 130453, 377699, 913171, 10305787, 72140509]

約数ペア:

[(1, 72140509), (7, 10305787), (79, 913171), (191, 377699), (553, 130453), (683, 105623), (1337, 53957), (4781, 15089)]