201396415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 270406656

約数和(自身を除く): 69010241

約数列:

[1, 5, 11, 55, 73, 103, 365, 487, 515, 803, 1133, 2435, 4015, 5357, 5665, 7519, 26785, 35551, 37595, 50161, 82709, 177755, 250805, 391061, 413545, 551771, 1955305, 2758855, 3661753, 18308765, 40279283, 201396415]

約数ペア:

[(1, 201396415), (5, 40279283), (11, 18308765), (55, 3661753), (73, 2758855), (103, 1955305), (365, 551771), (487, 413545), (515, 391061), (803, 250805), (1133, 177755), (2435, 82709), (4015, 50161), (5357, 37595), (5665, 35551), (7519, 26785)]