16480415

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 23220432

約数和(自身を除く): 6740017

約数列:

[1, 5, 7, 35, 49, 137, 245, 491, 685, 959, 2455, 3437, 4795, 6713, 17185, 24059, 33565, 67267, 120295, 336335, 470869, 2354345, 3296083, 16480415]

約数ペア:

[(1, 16480415), (5, 3296083), (7, 2354345), (35, 470869), (49, 336335), (137, 120295), (245, 67267), (491, 33565), (685, 24059), (959, 17185), (2455, 6713), (3437, 4795)]