257650728

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{120623}}^1$

素因数の和:120721

約数の個数: 32

約数和(自身を含む): 651369600

約数和(自身を除く): 393718872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 120623, 241246, 361869, 482492, 723738, 964984, 1447476, 2894952, 10735447, 21470894, 32206341, 42941788, 64412682, 85883576, 128825364, 257650728]

約数ペア:

[(1, 257650728), (2, 128825364), (3, 85883576), (4, 64412682), (6, 42941788), (8, 32206341), (12, 21470894), (24, 10735447), (89, 2894952), (178, 1447476), (267, 964984), (356, 723738), (534, 482492), (712, 361869), (1068, 241246), (2136, 120623)]