891701998

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1879}}^1$

素因数の和:1993

約数の個数: 48

約数和(自身を含む): 1539246240

約数和(自身を除く): 647544242

約数列:

[1, 2, 11, 22, 37, 53, 74, 106, 121, 242, 407, 583, 814, 1166, 1879, 1961, 3758, 3922, 4477, 6413, 8954, 12826, 20669, 21571, 41338, 43142, 69523, 99587, 139046, 199174, 227359, 237281, 454718, 474562, 764753, 1095457, 1529506, 2190914, 3684719, 7369438, 8412283, 12050027, 16824566, 24100054, 40531909, 81063818, 445850999, 891701998]

約数ペア:

[(1, 891701998), (2, 445850999), (11, 81063818), (22, 40531909), (37, 24100054), (53, 16824566), (74, 12050027), (106, 8412283), (121, 7369438), (242, 3684719), (407, 2190914), (583, 1529506), (814, 1095457), (1166, 764753), (1879, 474562), (1961, 454718), (3758, 237281), (3922, 227359), (4477, 199174), (6413, 139046), (8954, 99587), (12826, 69523), (20669, 43142), (21571, 41338)]