290419376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1396247}}^1$

素因数の和:1396268

約数の個数: 20

約数和(自身を含む): 605971632

約数和(自身を除く): 315552256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1396247, 2792494, 5584988, 11169976, 18151211, 22339952, 36302422, 72604844, 145209688, 290419376]

約数ペア:

[(1, 290419376), (2, 145209688), (4, 72604844), (8, 36302422), (13, 22339952), (16, 18151211), (26, 11169976), (52, 5584988), (104, 2792494), (208, 1396247)]