66857868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 213857280

約数和(自身を除く): 146999412

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 89, 99, 126, 132, 154, 178, 198, 231, 252, 267, 271, 308, 356, 396, 462, 534, 542, 623, 693, 801, 813, 924, 979, 1068, 1084, 1246, 1386, 1602, 1626, 1869, 1897, 1958, 2439, 2492, 2772, 2937, 2981, 3204, 3252, 3738, 3794, 3916, 4878, 5607, 5691, 5874, 5962, 6853, 7476, 7588, 8811, 8943, 9756, 11214, 11382, 11748, 11924, 13706, 17073, 17622, 17886, 20559, 20867, 22428, 22764, 24119, 26829, 27412, 34146, 35244, 35772, 41118, 41734, 48238, 53658, 61677, 62601, 68292, 72357, 82236, 83468, 96476, 107316, 123354, 125202, 144714, 168833, 187803, 217071, 246708, 250404, 265309, 289428, 337666, 375606, 434142, 506499, 530618, 675332, 751212, 795927, 868284, 1012998, 1061236, 1519497, 1591854, 1857163, 2025996, 2387781, 3038994, 3183708, 3714326, 4775562, 5571489, 6077988, 7428652, 9551124, 11142978, 16714467, 22285956, 33428934, 66857868]

約数ペア:

[(1, 66857868), (2, 33428934), (3, 22285956), (4, 16714467), (6, 11142978), (7, 9551124), (9, 7428652), (11, 6077988), (12, 5571489), (14, 4775562), (18, 3714326), (21, 3183708), (22, 3038994), (28, 2387781), (33, 2025996), (36, 1857163), (42, 1591854), (44, 1519497), (63, 1061236), (66, 1012998), (77, 868284), (84, 795927), (89, 751212), (99, 675332), (126, 530618), (132, 506499), (154, 434142), (178, 375606), (198, 337666), (231, 289428), (252, 265309), (267, 250404), (271, 246708), (308, 217071), (356, 187803), (396, 168833), (462, 144714), (534, 125202), (542, 123354), (623, 107316), (693, 96476), (801, 83468), (813, 82236), (924, 72357), (979, 68292), (1068, 62601), (1084, 61677), (1246, 53658), (1386, 48238), (1602, 41734), (1626, 41118), (1869, 35772), (1897, 35244), (1958, 34146), (2439, 27412), (2492, 26829), (2772, 24119), (2937, 22764), (2981, 22428), (3204, 20867), (3252, 20559), (3738, 17886), (3794, 17622), (3916, 17073), (4878, 13706), (5607, 11924), (5691, 11748), (5874, 11382), (5962, 11214), (6853, 9756), (7476, 8943), (7588, 8811)]