1291225522

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 2142987840

約数和(自身を除く): 851762318

約数列:

[1, 2, 19, 29, 38, 58, 83, 166, 361, 551, 722, 743, 1102, 1486, 1577, 2407, 3154, 4814, 10469, 14117, 20938, 21547, 28234, 29963, 43094, 45733, 59926, 61669, 91466, 123338, 268223, 409393, 536446, 818786, 868927, 1171711, 1737854, 1788401, 2343422, 3576802, 7778467, 15556934, 22262509, 33979619, 44525018, 67959238, 645612761, 1291225522]

約数ペア:

[(1, 1291225522), (2, 645612761), (19, 67959238), (29, 44525018), (38, 33979619), (58, 22262509), (83, 15556934), (166, 7778467), (361, 3576802), (551, 2343422), (722, 1788401), (743, 1737854), (1102, 1171711), (1486, 868927), (1577, 818786), (2407, 536446), (3154, 409393), (4814, 268223), (10469, 123338), (14117, 91466), (20938, 61669), (21547, 59926), (28234, 45733), (29963, 43094)]