71664970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{551269}}^1$

素因数の和:551289

約数の個数: 16

約数和(自身を含む): 138920040

約数和(自身を除く): 67255070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 551269, 1102538, 2756345, 5512690, 7166497, 14332994, 35832485, 71664970]

約数ペア:

[(1, 71664970), (2, 35832485), (5, 14332994), (10, 7166497), (13, 5512690), (26, 2756345), (65, 1102538), (130, 551269)]