390749794561

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{15307}}^1\times {\mathrm{214517}}^1$

素因数の和:229848

約数の個数: 16

約数和(自身を含む): 472873182336

約数和(自身を除く): 82123387775

約数列:

[1, 7, 17, 119, 15307, 107149, 214517, 260219, 1501619, 1821533, 3646789, 25527523, 3283611719, 22985282033, 55821399223, 390749794561]

約数ペア:

[(1, 390749794561), (7, 55821399223), (17, 22985282033), (119, 3283611719), (15307, 25527523), (107149, 3646789), (214517, 1821533), (260219, 1501619)]