68440021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 75222000

約数和(自身を除く): 6781979

約数列:

[1, 13, 89, 149, 397, 1157, 1937, 5161, 13261, 35333, 59153, 172393, 459329, 768989, 5264617, 68440021]

約数ペア:

[(1, 68440021), (13, 5264617), (89, 768989), (149, 459329), (397, 172393), (1157, 59153), (1937, 35333), (5161, 13261)]