221034715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 309609216

約数和(自身を除く): 88574501

約数列:

[1, 5, 11, 23, 55, 71, 107, 115, 253, 355, 529, 535, 781, 1177, 1265, 1633, 2461, 2645, 3905, 5819, 5885, 7597, 8165, 12305, 17963, 27071, 29095, 37559, 37985, 56603, 83567, 89815, 135355, 174731, 187795, 283015, 413149, 417835, 622633, 873655, 1922041, 2065745, 3113165, 4018813, 9610205, 20094065, 44206943, 221034715]

約数ペア:

[(1, 221034715), (5, 44206943), (11, 20094065), (23, 9610205), (55, 4018813), (71, 3113165), (107, 2065745), (115, 1922041), (253, 873655), (355, 622633), (529, 417835), (535, 413149), (781, 283015), (1177, 187795), (1265, 174731), (1633, 135355), (2461, 89815), (2645, 83567), (3905, 56603), (5819, 37985), (5885, 37559), (7597, 29095), (8165, 27071), (12305, 17963)]