278885964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3320071}}^1$

素因数の和:3320085

約数の個数: 24

約数和(自身を含む): 743696128

約数和(自身を除く): 464810164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3320071, 6640142, 9960213, 13280284, 19920426, 23240497, 39840852, 46480994, 69721491, 92961988, 139442982, 278885964]

約数ペア:

[(1, 278885964), (2, 139442982), (3, 92961988), (4, 69721491), (6, 46480994), (7, 39840852), (12, 23240497), (14, 19920426), (21, 13280284), (28, 9960213), (42, 6640142), (84, 3320071)]