2018775925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{27457}}^1$

素因数の和:27657

約数の個数: 24

約数和(自身を含む): 2665952136

約数和(自身を除く): 647176211

約数列:

[1, 5, 17, 25, 85, 173, 425, 865, 2941, 4325, 14705, 27457, 73525, 137285, 466769, 686425, 2333845, 4750061, 11669225, 23750305, 80751037, 118751525, 403755185, 2018775925]

約数ペア:

[(1, 2018775925), (5, 403755185), (17, 118751525), (25, 80751037), (85, 23750305), (173, 11669225), (425, 4750061), (865, 2333845), (2941, 686425), (4325, 466769), (14705, 137285), (27457, 73525)]