857894

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 16

約数和(自身を含む): 1351296

約数和(自身を除く): 493402

約数列:

[1, 2, 31, 62, 101, 137, 202, 274, 3131, 4247, 6262, 8494, 13837, 27674, 428947, 857894]

約数ペア:

[(1, 857894), (2, 428947), (31, 27674), (62, 13837), (101, 8494), (137, 6262), (202, 4247), (274, 3131)]