17639395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 4392605

約数列:

[1, 5, 29, 145, 239, 509, 1195, 2545, 6931, 14761, 34655, 73805, 121651, 608255, 3527879, 17639395]

約数ペア:

[(1, 17639395), (5, 3527879), (29, 608255), (145, 121651), (239, 73805), (509, 34655), (1195, 14761), (2545, 6931)]