78967408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{857}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 165333168

約数和(自身を除く): 86365760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 443, 857, 886, 1714, 1772, 3428, 3544, 5759, 6856, 7088, 11141, 11518, 13712, 22282, 23036, 44564, 46072, 89128, 92144, 178256, 379651, 759302, 1518604, 3037208, 4935463, 6074416, 9870926, 19741852, 39483704, 78967408]

約数ペア:

[(1, 78967408), (2, 39483704), (4, 19741852), (8, 9870926), (13, 6074416), (16, 4935463), (26, 3037208), (52, 1518604), (104, 759302), (208, 379651), (443, 178256), (857, 92144), (886, 89128), (1714, 46072), (1772, 44564), (3428, 23036), (3544, 22282), (5759, 13712), (6856, 11518), (7088, 11141)]