211774178

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 406099008

約数和(自身を除く): 194324830

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 151, 154, 302, 539, 1057, 1078, 1301, 1661, 2114, 2602, 3322, 7399, 9107, 11627, 14311, 14798, 18214, 23254, 28622, 63749, 81389, 100177, 127498, 162778, 196451, 200354, 392902, 701239, 1375157, 1402478, 2160961, 2750314, 4321922, 9626099, 15126727, 19252198, 30253454, 105887089, 211774178]

約数ペア:

[(1, 211774178), (2, 105887089), (7, 30253454), (11, 19252198), (14, 15126727), (22, 9626099), (49, 4321922), (77, 2750314), (98, 2160961), (151, 1402478), (154, 1375157), (302, 701239), (539, 392902), (1057, 200354), (1078, 196451), (1301, 162778), (1661, 127498), (2114, 100177), (2602, 81389), (3322, 63749), (7399, 28622), (9107, 23254), (11627, 18214), (14311, 14798)]