257400654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6128587}}^1$

素因数の和:6128599

約数の個数: 16

約数和(自身を含む): 588344448

約数和(自身を除く): 330943794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6128587, 12257174, 18385761, 36771522, 42900109, 85800218, 128700327, 257400654]

約数ペア:

[(1, 257400654), (2, 128700327), (3, 85800218), (6, 42900109), (7, 36771522), (14, 18385761), (21, 12257174), (42, 6128587)]