25120638

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2689}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 56167200

約数和(自身を除く): 31046562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2689, 3114, 4671, 5378, 8067, 9342, 16134, 24201, 48402, 72603, 145206, 465197, 930394, 1395591, 2791182, 4186773, 8373546, 12560319, 25120638]

約数ペア:

[(1, 25120638), (2, 12560319), (3, 8373546), (6, 4186773), (9, 2791182), (18, 1395591), (27, 930394), (54, 465197), (173, 145206), (346, 72603), (519, 48402), (1038, 24201), (1557, 16134), (2689, 9342), (3114, 8067), (4671, 5378)]