261691458

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{890107}}^1$

素因数の和:890126

約数の個数: 24

約数和(自身を含む): 608833872

約数和(自身を除く): 347142414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 890107, 1780214, 2670321, 5340642, 6230749, 12461498, 18692247, 37384494, 43615243, 87230486, 130845729, 261691458]

約数ペア:

[(1, 261691458), (2, 130845729), (3, 87230486), (6, 43615243), (7, 37384494), (14, 18692247), (21, 12461498), (42, 6230749), (49, 5340642), (98, 2670321), (147, 1780214), (294, 890107)]