91201985

素因数分解:

$5^1\times 7^4\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 130683456

約数和(自身を除く): 39481471

約数列:

[1, 5, 7, 35, 49, 71, 107, 245, 343, 355, 497, 535, 749, 1715, 2401, 2485, 3479, 3745, 5243, 7597, 12005, 17395, 24353, 26215, 36701, 37985, 53179, 121765, 170471, 183505, 256907, 265895, 372253, 852355, 1284535, 1861265, 2605771, 13028855, 18240397, 91201985]

約数ペア:

[(1, 91201985), (5, 18240397), (7, 13028855), (35, 2605771), (49, 1861265), (71, 1284535), (107, 852355), (245, 372253), (343, 265895), (355, 256907), (497, 183505), (535, 170471), (749, 121765), (1715, 53179), (2401, 37985), (2485, 36701), (3479, 26215), (3745, 24353), (5243, 17395), (7597, 12005)]