217964330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2251}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 410548608

約数和(自身を除く): 192584278

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 421, 842, 2105, 2251, 4210, 4502, 9683, 11255, 19366, 22510, 48415, 51773, 96830, 103546, 258865, 517730, 947671, 1895342, 4738355, 9476710, 21796433, 43592866, 108982165, 217964330]

約数ペア:

[(1, 217964330), (2, 108982165), (5, 43592866), (10, 21796433), (23, 9476710), (46, 4738355), (115, 1895342), (230, 947671), (421, 517730), (842, 258865), (2105, 103546), (2251, 96830), (4210, 51773), (4502, 48415), (9683, 22510), (11255, 19366)]