1390327295

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{446333}}^1$

素因数の和:446434

約数の個数: 16

約数和(自身を含む): 1928162880

約数和(自身を除く): 537835585

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 446333, 2231665, 3124331, 15621655, 39723637, 198618185, 278065459, 1390327295]

約数ペア:

[(1, 1390327295), (5, 278065459), (7, 198618185), (35, 39723637), (89, 15621655), (445, 3124331), (623, 2231665), (3115, 446333)]