291247145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16879}}^1$

素因数の和:16937

約数の個数: 32

約数和(自身を含む): 437529600

約数和(自身を除く): 146282455

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 2465, 3451, 16879, 17255, 84395, 118153, 286943, 489491, 590765, 1434715, 2008601, 2447455, 3426437, 8321347, 10043005, 17132185, 41606735, 58249429, 291247145]

約数ペア:

[(1, 291247145), (5, 58249429), (7, 41606735), (17, 17132185), (29, 10043005), (35, 8321347), (85, 3426437), (119, 2447455), (145, 2008601), (203, 1434715), (493, 590765), (595, 489491), (1015, 286943), (2465, 118153), (3451, 84395), (16879, 17255)]