217794157

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 266230400

約数和(自身を除く): 48436243

約数列:

[1, 7, 17, 119, 199, 289, 541, 1393, 2023, 3383, 3787, 9197, 23681, 57511, 64379, 107659, 156349, 402577, 753613, 1094443, 1830203, 12811421, 31113451, 217794157]

約数ペア:

[(1, 217794157), (7, 31113451), (17, 12811421), (119, 1830203), (199, 1094443), (289, 753613), (541, 402577), (1393, 156349), (2023, 107659), (3383, 64379), (3787, 57511), (9197, 23681)]