858550021

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{1063}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 1021797504

約数和(自身を除く): 163247483

約数列:

[1, 7, 49, 53, 311, 371, 1063, 2177, 2597, 7441, 15239, 16483, 52087, 56339, 115381, 330593, 394373, 807667, 2314151, 2760611, 16199057, 17521429, 122650003, 858550021]

約数ペア:

[(1, 858550021), (7, 122650003), (49, 17521429), (53, 16199057), (311, 2760611), (371, 2314151), (1063, 807667), (2177, 394373), (2597, 330593), (7441, 115381), (15239, 56339), (16483, 52087)]