978695998

素因数分解:

$2^1\times 7^1\times {\mathrm{7121}}^1\times {\mathrm{9817}}^1$

素因数の和:16947

約数の個数: 16

約数和(自身を含む): 1678171104

約数和(自身を除く): 699475106

約数列:

[1, 2, 7, 14, 7121, 9817, 14242, 19634, 49847, 68719, 99694, 137438, 69906857, 139813714, 489347999, 978695998]

約数ペア:

[(1, 978695998), (2, 489347999), (7, 139813714), (14, 69906857), (7121, 137438), (9817, 99694), (14242, 68719), (19634, 49847)]