80173709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 104011776

約数和(自身を除く): 23838067

約数列:

[1, 7, 11, 37, 77, 107, 259, 263, 407, 749, 1177, 1841, 2849, 2893, 3959, 8239, 9731, 20251, 27713, 28141, 43549, 68117, 107041, 196987, 304843, 309551, 749287, 1041217, 2166857, 7288519, 11453387, 80173709]

約数ペア:

[(1, 80173709), (7, 11453387), (11, 7288519), (37, 2166857), (77, 1041217), (107, 749287), (259, 309551), (263, 304843), (407, 196987), (749, 107041), (1177, 68117), (1841, 43549), (2849, 28141), (2893, 27713), (3959, 20251), (8239, 9731)]