2178698259

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 3035805696

約数和(自身を除く): 857107437

約数列:

[1, 3, 31, 93, 137, 307, 411, 557, 921, 1671, 4247, 9517, 12741, 17267, 28551, 42059, 51801, 76309, 126177, 170999, 228927, 512997, 1303829, 2365579, 3911487, 5300969, 7096737, 15902907, 23426863, 70280589, 726232753, 2178698259]

約数ペア:

[(1, 2178698259), (3, 726232753), (31, 70280589), (93, 23426863), (137, 15902907), (307, 7096737), (411, 5300969), (557, 3911487), (921, 2365579), (1671, 1303829), (4247, 512997), (9517, 228927), (12741, 170999), (17267, 126177), (28551, 76309), (42059, 51801)]