251214978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 594478080

約数和(自身を除く): 343263102

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 139, 222, 259, 278, 417, 518, 777, 834, 973, 1163, 1554, 1946, 2326, 2919, 3489, 5143, 5838, 6978, 8141, 10286, 15429, 16282, 24423, 30858, 36001, 43031, 48846, 72002, 86062, 108003, 129093, 161657, 216006, 258186, 301217, 323314, 484971, 602434, 903651, 969942, 1131599, 1807302, 2263198, 3394797, 5981309, 6789594, 11962618, 17943927, 35887854, 41869163, 83738326, 125607489, 251214978]

約数ペア:

[(1, 251214978), (2, 125607489), (3, 83738326), (6, 41869163), (7, 35887854), (14, 17943927), (21, 11962618), (37, 6789594), (42, 5981309), (74, 3394797), (111, 2263198), (139, 1807302), (222, 1131599), (259, 969942), (278, 903651), (417, 602434), (518, 484971), (777, 323314), (834, 301217), (973, 258186), (1163, 216006), (1554, 161657), (1946, 129093), (2326, 108003), (2919, 86062), (3489, 72002), (5143, 48846), (5838, 43031), (6978, 36001), (8141, 30858), (10286, 24423), (15429, 16282)]