661211964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{874619}}^1$

素因数の和:874639

約数の個数: 48

約数和(自身を含む): 1959148800

約数和(自身を除く): 1297936836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 874619, 1749238, 2623857, 3498476, 5247714, 6122333, 7871571, 10495428, 12244666, 15743142, 18366999, 23614713, 24489332, 31486284, 36733998, 47229426, 55100997, 73467996, 94458852, 110201994, 165302991, 220403988, 330605982, 661211964]

約数ペア:

[(1, 661211964), (2, 330605982), (3, 220403988), (4, 165302991), (6, 110201994), (7, 94458852), (9, 73467996), (12, 55100997), (14, 47229426), (18, 36733998), (21, 31486284), (27, 24489332), (28, 23614713), (36, 18366999), (42, 15743142), (54, 12244666), (63, 10495428), (84, 7871571), (108, 6122333), (126, 5247714), (189, 3498476), (252, 2623857), (378, 1749238), (756, 874619)]