401434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 16

約数和(自身を含む): 668736

約数和(自身を除く): 267302

約数列:

[1, 2, 11, 22, 71, 142, 257, 514, 781, 1562, 2827, 5654, 18247, 36494, 200717, 401434]

約数ペア:

[(1, 401434), (2, 200717), (11, 36494), (22, 18247), (71, 5654), (142, 2827), (257, 1562), (514, 781)]