1388425535

素因数分解:

$5^1\times 7^2\times {\mathrm{887}}^1\times {\mathrm{6389}}^1$

素因数の和:7295

約数の個数: 24

約数和(自身を含む): 1940617440

約数和(自身を除く): 552191905

約数列:

[1, 5, 7, 35, 49, 245, 887, 4435, 6209, 6389, 31045, 31945, 43463, 44723, 217315, 223615, 313061, 1565305, 5667043, 28335215, 39669301, 198346505, 277685107, 1388425535]

約数ペア:

[(1, 1388425535), (5, 277685107), (7, 198346505), (35, 39669301), (49, 28335215), (245, 5667043), (887, 1565305), (4435, 313061), (6209, 223615), (6389, 217315), (31045, 44723), (31945, 43463)]