26978897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 30902784

約数和(自身を除く): 3923887

約数列:

[1, 11, 31, 61, 341, 671, 1297, 1891, 14267, 20801, 40207, 79117, 442277, 870287, 2452627, 26978897]

約数ペア:

[(1, 26978897), (11, 2452627), (31, 870287), (61, 442277), (341, 79117), (671, 40207), (1297, 20801), (1891, 14267)]