821415088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3949111}}^1$

素因数の和:3949132

約数の個数: 20

約数和(自身を含む): 1713914608

約数和(自身を除く): 892499520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3949111, 7898222, 15796444, 31592888, 51338443, 63185776, 102676886, 205353772, 410707544, 821415088]

約数ペア:

[(1, 821415088), (2, 410707544), (4, 205353772), (8, 102676886), (13, 63185776), (16, 51338443), (26, 31592888), (52, 15796444), (104, 7898222), (208, 3949111)]