71970661

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 88646400

約数和(自身を除く): 16675739

約数列:

[1, 7, 37, 49, 53, 107, 259, 343, 371, 749, 1813, 1961, 2597, 3959, 5243, 5671, 12691, 13727, 18179, 27713, 36701, 39697, 96089, 193991, 209827, 277879, 672623, 1357937, 1468789, 1945153, 10281523, 71970661]

約数ペア:

[(1, 71970661), (7, 10281523), (37, 1945153), (49, 1468789), (53, 1357937), (107, 672623), (259, 277879), (343, 209827), (371, 193991), (749, 96089), (1813, 39697), (1961, 36701), (2597, 27713), (3959, 18179), (5243, 13727), (5671, 12691)]