28915978

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22697}}^1$

素因数の和:22726

約数の個数: 24

約数和(自身を含む): 54339012

約数和(自身を除く): 25423034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 22697, 45394, 158879, 295061, 317758, 590122, 1112153, 2065427, 2224306, 4130854, 14457989, 28915978]

約数ペア:

[(1, 28915978), (2, 14457989), (7, 4130854), (13, 2224306), (14, 2065427), (26, 1112153), (49, 590122), (91, 317758), (98, 295061), (182, 158879), (637, 45394), (1274, 22697)]