66520818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13537}}^1$

素因数の和:13568

約数の個数: 64

約数和(自身を含む): 181950720

約数和(自身を除く): 115429902

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 13537, 27074, 40611, 81222, 94759, 121833, 175981, 189518, 243666, 284277, 351962, 365499, 527943, 568554, 730998, 852831, 1055886, 1231867, 1583829, 1705662, 2463734, 2558493, 3167658, 3695601, 4751487, 5116986, 7391202, 9502974, 11086803, 22173606, 33260409, 66520818]

約数ペア:

[(1, 66520818), (2, 33260409), (3, 22173606), (6, 11086803), (7, 9502974), (9, 7391202), (13, 5116986), (14, 4751487), (18, 3695601), (21, 3167658), (26, 2558493), (27, 2463734), (39, 1705662), (42, 1583829), (54, 1231867), (63, 1055886), (78, 852831), (91, 730998), (117, 568554), (126, 527943), (182, 365499), (189, 351962), (234, 284277), (273, 243666), (351, 189518), (378, 175981), (546, 121833), (702, 94759), (819, 81222), (1638, 40611), (2457, 27074), (4914, 13537)]