640055598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2053}}^1$

素因数の和:2649

約数の個数: 64

約数和(自身を含む): 1579049472

約数和(自身を除く): 938993874

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 571, 1142, 1713, 2053, 3426, 3997, 4106, 6159, 7423, 7994, 11991, 12318, 14371, 14846, 22269, 23982, 26689, 28742, 43113, 44538, 51961, 53378, 80067, 86226, 103922, 155883, 160134, 186823, 311766, 373646, 560469, 1120938, 1172263, 2344526, 3516789, 7033578, 8205841, 15239419, 16411682, 24617523, 30478838, 45718257, 49235046, 91436514, 106675933, 213351866, 320027799, 640055598]

約数ペア:

[(1, 640055598), (2, 320027799), (3, 213351866), (6, 106675933), (7, 91436514), (13, 49235046), (14, 45718257), (21, 30478838), (26, 24617523), (39, 16411682), (42, 15239419), (78, 8205841), (91, 7033578), (182, 3516789), (273, 2344526), (546, 1172263), (571, 1120938), (1142, 560469), (1713, 373646), (2053, 311766), (3426, 186823), (3997, 160134), (4106, 155883), (6159, 103922), (7423, 86226), (7994, 80067), (11991, 53378), (12318, 51961), (14371, 44538), (14846, 43113), (22269, 28742), (23982, 26689)]