81148865

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 114048000

約数和(自身を除く): 32899135

約数列:

[1, 5, 7, 35, 89, 109, 239, 445, 545, 623, 763, 1195, 1673, 3115, 3815, 8365, 9701, 21271, 26051, 48505, 67907, 106355, 130255, 148897, 182357, 339535, 744485, 911785, 2318539, 11592695, 16229773, 81148865]

約数ペア:

[(1, 81148865), (5, 16229773), (7, 11592695), (35, 2318539), (89, 911785), (109, 744485), (239, 339535), (445, 182357), (545, 148897), (623, 130255), (763, 106355), (1195, 67907), (1673, 48505), (3115, 26051), (3815, 21271), (8365, 9701)]