2780204

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3245

約数の個数: 24

約数和(自身を含む): 5741568

約数和(自身を除く): 2961364

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 3203, 6406, 12812, 22421, 44842, 89684, 99293, 198586, 397172, 695051, 1390102, 2780204]

約数ペア:

[(1, 2780204), (2, 1390102), (4, 695051), (7, 397172), (14, 198586), (28, 99293), (31, 89684), (62, 44842), (124, 22421), (217, 12812), (434, 6406), (868, 3203)]