28254968

素因数分解:

$2^3\times 7^4\times {\mathrm{1471}}^1$

素因数の和:1505

約数の個数: 40

約数和(自身を含む): 61846080

約数和(自身を除く): 33591112

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 1471, 2401, 2744, 2942, 4802, 5884, 9604, 10297, 11768, 19208, 20594, 41188, 72079, 82376, 144158, 288316, 504553, 576632, 1009106, 2018212, 3531871, 4036424, 7063742, 14127484, 28254968]

約数ペア:

[(1, 28254968), (2, 14127484), (4, 7063742), (7, 4036424), (8, 3531871), (14, 2018212), (28, 1009106), (49, 576632), (56, 504553), (98, 288316), (196, 144158), (343, 82376), (392, 72079), (686, 41188), (1372, 20594), (1471, 19208), (2401, 11768), (2744, 10297), (2942, 9604), (4802, 5884)]