81950284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{8707}}^1$

素因数の和:8905

約数の個数: 24

約数和(自身を含む): 155315888

約数和(自身を除く): 73365604

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 8707, 9412, 17414, 34828, 113191, 226382, 452764, 1575967, 3151934, 6303868, 20487571, 40975142, 81950284]

約数ペア:

[(1, 81950284), (2, 40975142), (4, 20487571), (13, 6303868), (26, 3151934), (52, 1575967), (181, 452764), (362, 226382), (724, 113191), (2353, 34828), (4706, 17414), (8707, 9412)]