67947568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 148490496

約数和(自身を除く): 80542928

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 71, 86, 104, 107, 142, 172, 208, 214, 284, 344, 428, 559, 568, 688, 856, 923, 1118, 1136, 1391, 1712, 1846, 2236, 2782, 3053, 3692, 4472, 4601, 5564, 6106, 7384, 7597, 8944, 9202, 11128, 12212, 14768, 15194, 18404, 22256, 24424, 30388, 36808, 39689, 48848, 59813, 60776, 73616, 79378, 98761, 119626, 121552, 158756, 197522, 239252, 317512, 326671, 395044, 478504, 635024, 653342, 790088, 957008, 1306684, 1580176, 2613368, 4246723, 5226736, 8493446, 16986892, 33973784, 67947568]

約数ペア:

[(1, 67947568), (2, 33973784), (4, 16986892), (8, 8493446), (13, 5226736), (16, 4246723), (26, 2613368), (43, 1580176), (52, 1306684), (71, 957008), (86, 790088), (104, 653342), (107, 635024), (142, 478504), (172, 395044), (208, 326671), (214, 317512), (284, 239252), (344, 197522), (428, 158756), (559, 121552), (568, 119626), (688, 98761), (856, 79378), (923, 73616), (1118, 60776), (1136, 59813), (1391, 48848), (1712, 39689), (1846, 36808), (2236, 30388), (2782, 24424), (3053, 22256), (3692, 18404), (4472, 15194), (4601, 14768), (5564, 12212), (6106, 11128), (7384, 9202), (7597, 8944)]