72258221

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 84458880

約数和(自身を除く): 12200659

約数列:

[1, 7, 61, 197, 427, 859, 1379, 6013, 12017, 52399, 84119, 169223, 366793, 1184561, 10322603, 72258221]

約数ペア:

[(1, 72258221), (7, 10322603), (61, 1184561), (197, 366793), (427, 169223), (859, 84119), (1379, 52399), (6013, 12017)]