256866

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1417

約数の個数: 16

約数和(自身を含む): 530688

約数和(自身を除く): 273822

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 1381, 2762, 4143, 8286, 42811, 85622, 128433, 256866]

約数ペア:

[(1, 256866), (2, 128433), (3, 85622), (6, 42811), (31, 8286), (62, 4143), (93, 2762), (186, 1381)]