311387238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1109}}^1$

素因数の和:1957

約数の個数: 48

約数和(自身を含む): 711687600

約数和(自身を除く): 400300362

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 821, 1109, 1642, 2218, 2463, 3327, 4926, 6654, 7389, 9981, 14778, 15599, 19962, 21071, 31198, 42142, 46797, 63213, 93594, 126426, 140391, 189639, 280782, 379278, 910489, 1820978, 2731467, 5462934, 8194401, 16388802, 17299291, 34598582, 51897873, 103795746, 155693619, 311387238]

約数ペア:

[(1, 311387238), (2, 155693619), (3, 103795746), (6, 51897873), (9, 34598582), (18, 17299291), (19, 16388802), (38, 8194401), (57, 5462934), (114, 2731467), (171, 1820978), (342, 910489), (821, 379278), (1109, 280782), (1642, 189639), (2218, 140391), (2463, 126426), (3327, 93594), (4926, 63213), (6654, 46797), (7389, 42142), (9981, 31198), (14778, 21071), (15599, 19962)]