81325088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195493}}^1$

素因数の和:195516

約数の個数: 24

約数和(自身を含む): 172425708

約数和(自身を除く): 91100620

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195493, 390986, 781972, 1563944, 2541409, 3127888, 5082818, 6255776, 10165636, 20331272, 40662544, 81325088]

約数ペア:

[(1, 81325088), (2, 40662544), (4, 20331272), (8, 10165636), (13, 6255776), (16, 5082818), (26, 3127888), (32, 2541409), (52, 1563944), (104, 781972), (208, 390986), (416, 195493)]