266971999

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{18523}}^1$

素因数の和:18630

約数の個数: 16

約数和(自身を含む): 320094720

約数和(自身を除く): 53122721

約数列:

[1, 7, 29, 71, 203, 497, 2059, 14413, 18523, 129661, 537167, 1315133, 3760169, 9205931, 38138857, 266971999]

約数ペア:

[(1, 266971999), (7, 38138857), (29, 9205931), (71, 3760169), (203, 1315133), (497, 537167), (2059, 129661), (14413, 18523)]