219696568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{983}}^1$

素因数の和:1316

約数の個数: 64

約数和(自身を含む): 509160960

約数和(自身を除く): 289464392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 307, 364, 614, 728, 983, 1228, 1966, 2149, 2456, 3932, 3991, 4298, 6881, 7864, 7982, 8596, 12779, 13762, 15964, 17192, 25558, 27524, 27937, 31928, 51116, 55048, 55874, 89453, 102232, 111748, 178906, 223496, 301781, 357812, 603562, 715624, 1207124, 2112467, 2414248, 3923153, 4224934, 7846306, 8449868, 15692612, 16899736, 27462071, 31385224, 54924142, 109848284, 219696568]

約数ペア:

[(1, 219696568), (2, 109848284), (4, 54924142), (7, 31385224), (8, 27462071), (13, 16899736), (14, 15692612), (26, 8449868), (28, 7846306), (52, 4224934), (56, 3923153), (91, 2414248), (104, 2112467), (182, 1207124), (307, 715624), (364, 603562), (614, 357812), (728, 301781), (983, 223496), (1228, 178906), (1966, 111748), (2149, 102232), (2456, 89453), (3932, 55874), (3991, 55048), (4298, 51116), (6881, 31928), (7864, 27937), (7982, 27524), (8596, 25558), (12779, 17192), (13762, 15964)]