1279887518

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163543}}^1$

素因数の和:163608

約数の個数: 32

約数和(自身を含む): 2417834496

約数和(自身を除く): 1137946978

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826, 163543, 327086, 1144801, 2126059, 2289602, 4252118, 7032349, 14064698, 14882413, 29764826, 49226443, 91420537, 98452886, 182841074, 639943759, 1279887518]

約数ペア:

[(1, 1279887518), (2, 639943759), (7, 182841074), (13, 98452886), (14, 91420537), (26, 49226443), (43, 29764826), (86, 14882413), (91, 14064698), (182, 7032349), (301, 4252118), (559, 2289602), (602, 2126059), (1118, 1144801), (3913, 327086), (7826, 163543)]