256720914

素因数分解:

$2^1\times 3^4\times {\mathrm{1584697}}^1$

素因数の和:1584711

約数の個数: 20

約数和(自身を含む): 575245374

約数和(自身を除く): 318524460

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1584697, 3169394, 4754091, 9508182, 14262273, 28524546, 42786819, 85573638, 128360457, 256720914]

約数ペア:

[(1, 256720914), (2, 128360457), (3, 85573638), (6, 42786819), (9, 28524546), (18, 14262273), (27, 9508182), (54, 4754091), (81, 3169394), (162, 1584697)]