12644365

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 16207488

約数和(自身を除く): 3563123

約数列:

[1, 5, 23, 43, 115, 215, 989, 2557, 4945, 12785, 58811, 109951, 294055, 549755, 2528873, 12644365]

約数ペア:

[(1, 12644365), (5, 2528873), (23, 549755), (43, 294055), (115, 109951), (215, 58811), (989, 12785), (2557, 4945)]