68720990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{528623}}^1$

素因数の和:528643

約数の個数: 16

約数和(自身を含む): 133213248

約数和(自身を除く): 64492258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 528623, 1057246, 2643115, 5286230, 6872099, 13744198, 34360495, 68720990]

約数ペア:

[(1, 68720990), (2, 34360495), (5, 13744198), (10, 6872099), (13, 5286230), (26, 2643115), (65, 1057246), (130, 528623)]