213517811

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 238178160

約数和(自身を除く): 24660349

約数列:

[1, 13, 67, 109, 169, 173, 871, 1417, 2249, 7303, 11323, 11591, 18421, 18857, 29237, 94939, 150683, 245141, 1234207, 1263419, 1958879, 3186833, 16424447, 213517811]

約数ペア:

[(1, 213517811), (13, 16424447), (67, 3186833), (109, 1958879), (169, 1263419), (173, 1234207), (871, 245141), (1417, 150683), (2249, 94939), (7303, 29237), (11323, 18857), (11591, 18421)]