1640185197

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1904977}}^1$

素因数の和:1905028

約数の個数: 16

約数和(自身を含む): 2560290432

約数和(自身を除く): 920105235

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1904977, 5714931, 13334839, 40004517, 78104057, 234312171, 546728399, 1640185197]

約数ペア:

[(1, 1640185197), (3, 546728399), (7, 234312171), (21, 78104057), (41, 40004517), (123, 13334839), (287, 5714931), (861, 1904977)]