26390287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 34583040

約数和(自身を除く): 8192753

約数列:

[1, 7, 11, 37, 59, 77, 157, 259, 407, 413, 649, 1099, 1727, 2183, 2849, 4543, 5809, 9263, 12089, 15281, 24013, 40663, 63899, 64841, 101893, 168091, 342731, 447293, 713251, 2399117, 3770041, 26390287]

約数ペア:

[(1, 26390287), (7, 3770041), (11, 2399117), (37, 713251), (59, 447293), (77, 342731), (157, 168091), (259, 101893), (407, 64841), (413, 63899), (649, 40663), (1099, 24013), (1727, 15281), (2183, 12089), (2849, 9263), (4543, 5809)]