66965792

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 138311712

約数和(自身を除く): 71345920

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1187, 1312, 1376, 1763, 2374, 3526, 4748, 7052, 9496, 14104, 18992, 28208, 37984, 48667, 51041, 56416, 97334, 102082, 194668, 204164, 389336, 408328, 778672, 816656, 1557344, 1633312, 2092681, 4185362, 8370724, 16741448, 33482896, 66965792]

約数ペア:

[(1, 66965792), (2, 33482896), (4, 16741448), (8, 8370724), (16, 4185362), (32, 2092681), (41, 1633312), (43, 1557344), (82, 816656), (86, 778672), (164, 408328), (172, 389336), (328, 204164), (344, 194668), (656, 102082), (688, 97334), (1187, 56416), (1312, 51041), (1376, 48667), (1763, 37984), (2374, 28208), (3526, 18992), (4748, 14104), (7052, 9496)]