678808522

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 1244565504

約数和(自身を除く): 565756982

約数列:

[1, 2, 7, 14, 23, 46, 97, 103, 161, 194, 206, 211, 322, 422, 679, 721, 1358, 1442, 1477, 2231, 2369, 2954, 4462, 4738, 4853, 9706, 9991, 15617, 16583, 19982, 20467, 21733, 31234, 33166, 33971, 40934, 43466, 67942, 69937, 139874, 143269, 152131, 229793, 286538, 304262, 459586, 470741, 499859, 941482, 999718, 1608551, 2108101, 3217102, 3295187, 3499013, 4216202, 6590374, 6998026, 14756707, 29513414, 48486323, 96972646, 339404261, 678808522]

約数ペア:

[(1, 678808522), (2, 339404261), (7, 96972646), (14, 48486323), (23, 29513414), (46, 14756707), (97, 6998026), (103, 6590374), (161, 4216202), (194, 3499013), (206, 3295187), (211, 3217102), (322, 2108101), (422, 1608551), (679, 999718), (721, 941482), (1358, 499859), (1442, 470741), (1477, 459586), (2231, 304262), (2369, 286538), (2954, 229793), (4462, 152131), (4738, 143269), (4853, 139874), (9706, 69937), (9991, 67942), (15617, 43466), (16583, 40934), (19982, 33971), (20467, 33166), (21733, 31234)]