1339901654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{237487}}^1$

素因数の和:237540

約数の個数: 32

約数和(自身を含む): 2553470976

約数和(自身を除く): 1213569322

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 237487, 474974, 1662409, 3087331, 3324818, 6174662, 7362097, 14724194, 21611317, 43222634, 51534679, 95707261, 103069358, 191414522, 669950827, 1339901654]

約数ペア:

[(1, 1339901654), (2, 669950827), (7, 191414522), (13, 103069358), (14, 95707261), (26, 51534679), (31, 43222634), (62, 21611317), (91, 14724194), (182, 7362097), (217, 6174662), (403, 3324818), (434, 3087331), (806, 1662409), (2821, 474974), (5642, 237487)]