990218593

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{265403}}^1$

素因数の和:265464

約数の個数: 16

約数和(自身を含む): 1248460416

約数和(自身を除く): 258241823

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 265403, 1857821, 3450239, 10881523, 24151673, 76170661, 141459799, 990218593]

約数ペア:

[(1, 990218593), (7, 141459799), (13, 76170661), (41, 24151673), (91, 10881523), (287, 3450239), (533, 1857821), (3731, 265403)]