201854471

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 263518080

約数和(自身を除く): 61663609

約数列:

[1, 7, 13, 29, 49, 91, 203, 223, 343, 377, 637, 1421, 1561, 2401, 2639, 2899, 4459, 6467, 9947, 10927, 18473, 20293, 31213, 45269, 69629, 76489, 84071, 129311, 142051, 316883, 535423, 588497, 905177, 994357, 2218181, 4119479, 6960499, 15527267, 28836353, 201854471]

約数ペア:

[(1, 201854471), (7, 28836353), (13, 15527267), (29, 6960499), (49, 4119479), (91, 2218181), (203, 994357), (223, 905177), (343, 588497), (377, 535423), (637, 316883), (1421, 142051), (1561, 129311), (2401, 84071), (2639, 76489), (2899, 69629), (4459, 45269), (6467, 31213), (9947, 20293), (10927, 18473)]