289969264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1394083}}^1$

素因数の和:1394104

約数の個数: 20

約数和(自身を含む): 605032456

約数和(自身を除く): 315063192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1394083, 2788166, 5576332, 11152664, 18123079, 22305328, 36246158, 72492316, 144984632, 289969264]

約数ペア:

[(1, 289969264), (2, 144984632), (4, 72492316), (8, 36246158), (13, 22305328), (16, 18123079), (26, 11152664), (52, 5576332), (104, 2788166), (208, 1394083)]