81472690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626713}}^1$

素因数の和:626733

約数の個数: 16

約数和(自身を含む): 157931928

約数和(自身を除く): 76459238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 626713, 1253426, 3133565, 6267130, 8147269, 16294538, 40736345, 81472690]

約数ペア:

[(1, 81472690), (2, 40736345), (5, 16294538), (10, 8147269), (13, 6267130), (26, 3133565), (65, 1253426), (130, 626713)]