1321800688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6354811}}^1$

素因数の和:6354832

約数の個数: 20

約数和(自身を含む): 2757988408

約数和(自身を除く): 1436187720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6354811, 12709622, 25419244, 50838488, 82612543, 101676976, 165225086, 330450172, 660900344, 1321800688]

約数ペア:

[(1, 1321800688), (2, 660900344), (4, 330450172), (8, 165225086), (13, 101676976), (16, 82612543), (26, 50838488), (52, 25419244), (104, 12709622), (208, 6354811)]