16971395

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 24156144

約数和(自身を除く): 7184749

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1307, 1855, 2597, 6535, 9149, 12985, 45745, 64043, 69271, 320215, 346355, 484897, 2424485, 3394279, 16971395]

約数ペア:

[(1, 16971395), (5, 3394279), (7, 2424485), (35, 484897), (49, 346355), (53, 320215), (245, 69271), (265, 64043), (371, 45745), (1307, 12985), (1855, 9149), (2597, 6535)]