13239515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 17962560

約数和(自身を除く): 4723045

約数列:

[1, 5, 17, 29, 41, 85, 131, 145, 205, 493, 655, 697, 1189, 2227, 2465, 3485, 3799, 5371, 5945, 11135, 18995, 20213, 26855, 64583, 91307, 101065, 155759, 322915, 456535, 778795, 2647903, 13239515]

約数ペア:

[(1, 13239515), (5, 2647903), (17, 778795), (29, 456535), (41, 322915), (85, 155759), (131, 101065), (145, 91307), (205, 64583), (493, 26855), (655, 20213), (697, 18995), (1189, 11135), (2227, 5945), (2465, 5371), (3485, 3799)]