217377181

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4423}}^1$

素因数の和:4513

約数の個数: 24

約数和(自身を含む): 272341440

約数和(自身を除く): 54964259

約数列:

[1, 7, 17, 49, 59, 119, 413, 833, 1003, 2891, 4423, 7021, 30961, 49147, 75191, 216727, 260957, 526337, 1826699, 3684359, 4436269, 12786893, 31053883, 217377181]

約数ペア:

[(1, 217377181), (7, 31053883), (17, 12786893), (49, 4436269), (59, 3684359), (119, 1826699), (413, 526337), (833, 260957), (1003, 216727), (2891, 75191), (4423, 49147), (7021, 30961)]