67881776

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 134832144

約数和(自身を除く): 66950368

約数列:

[1, 2, 4, 8, 16, 61, 122, 157, 244, 314, 443, 488, 628, 886, 976, 1256, 1772, 2512, 3544, 7088, 9577, 19154, 27023, 38308, 54046, 69551, 76616, 108092, 139102, 153232, 216184, 278204, 432368, 556408, 1112816, 4242611, 8485222, 16970444, 33940888, 67881776]

約数ペア:

[(1, 67881776), (2, 33940888), (4, 16970444), (8, 8485222), (16, 4242611), (61, 1112816), (122, 556408), (157, 432368), (244, 278204), (314, 216184), (443, 153232), (488, 139102), (628, 108092), (886, 76616), (976, 69551), (1256, 54046), (1772, 38308), (2512, 27023), (3544, 19154), (7088, 9577)]