1271302030

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{98627}}^1$

素因数の和:99923

約数の個数: 16

約数和(自身を含む): 2290142160

約数和(自身を除く): 1018840130

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 98627, 197254, 493135, 986270, 127130203, 254260406, 635651015, 1271302030]

約数ペア:

[(1, 1271302030), (2, 635651015), (5, 254260406), (10, 127130203), (1289, 986270), (2578, 493135), (6445, 197254), (12890, 98627)]