12971345

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 16070400

約数和(自身を除く): 3099055

約数列:

[1, 5, 61, 71, 305, 355, 599, 2995, 4331, 21655, 36539, 42529, 182695, 212645, 2594269, 12971345]

約数ペア:

[(1, 12971345), (5, 2594269), (61, 212645), (71, 182695), (305, 42529), (355, 36539), (599, 21655), (2995, 4331)]