72503221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1571}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 87528960

約数和(自身を除く): 15025739

約数列:

[1, 7, 19, 133, 347, 1571, 2429, 6593, 10997, 29849, 46151, 208943, 545137, 3815959, 10357603, 72503221]

約数ペア:

[(1, 72503221), (7, 10357603), (19, 3815959), (133, 545137), (347, 208943), (1571, 46151), (2429, 29849), (6593, 10997)]