1261993243

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{231431}}^1$

素因数の和:231498

約数の個数: 16

約数和(自身を含む): 1555223040

約数和(自身を除く): 293229797

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 231431, 1620017, 4397189, 9488671, 30780323, 66420697, 180284749, 1261993243]

約数ペア:

[(1, 1261993243), (7, 180284749), (19, 66420697), (41, 30780323), (133, 9488671), (287, 4397189), (779, 1620017), (5453, 231431)]