1915691387911

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{172097}}^1$

素因数の和:172495

約数の個数: 32

約数和(自身を含む): 2253520051200

約数和(自身を除く): 337828663289

約数列:

[1, 7, 61, 131, 199, 427, 917, 1393, 7991, 12139, 26069, 55937, 84973, 172097, 182483, 1204679, 1590209, 10497917, 11131463, 22544707, 34247303, 73485419, 157812949, 239731121, 1375227127, 2089085483, 4486396693, 9626589889, 14623598381, 31404776851, 273670198273, 1915691387911]

約数ペア:

[(1, 1915691387911), (7, 273670198273), (61, 31404776851), (131, 14623598381), (199, 9626589889), (427, 4486396693), (917, 2089085483), (1393, 1375227127), (7991, 239731121), (12139, 157812949), (26069, 73485419), (55937, 34247303), (84973, 22544707), (172097, 11131463), (182483, 10497917), (1204679, 1590209)]