688662

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 1681680

約数和(自身を除く): 993018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 109, 117, 162, 218, 234, 243, 327, 351, 486, 654, 702, 981, 1053, 1417, 1962, 2106, 2834, 2943, 3159, 4251, 5886, 6318, 8502, 8829, 12753, 17658, 25506, 26487, 38259, 52974, 76518, 114777, 229554, 344331, 688662]

約数ペア:

[(1, 688662), (2, 344331), (3, 229554), (6, 114777), (9, 76518), (13, 52974), (18, 38259), (26, 26487), (27, 25506), (39, 17658), (54, 12753), (78, 8829), (81, 8502), (109, 6318), (117, 5886), (162, 4251), (218, 3159), (234, 2943), (243, 2834), (327, 2106), (351, 1962), (486, 1417), (654, 1053), (702, 981)]