1291010908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 2490566400

約数和(自身を除く): 1199555492

約数列:

[1, 2, 4, 11, 22, 44, 199, 283, 398, 521, 566, 796, 1042, 1132, 2084, 2189, 3113, 4378, 5731, 6226, 8756, 11462, 12452, 22924, 56317, 103679, 112634, 147443, 207358, 225268, 294886, 414716, 589772, 619487, 1140469, 1238974, 1621873, 2280938, 2477948, 3243746, 4561876, 6487492, 29341157, 58682314, 117364628, 322752727, 645505454, 1291010908]

約数ペア:

[(1, 1291010908), (2, 645505454), (4, 322752727), (11, 117364628), (22, 58682314), (44, 29341157), (199, 6487492), (283, 4561876), (398, 3243746), (521, 2477948), (566, 2280938), (796, 1621873), (1042, 1238974), (1132, 1140469), (2084, 619487), (2189, 589772), (3113, 414716), (4378, 294886), (5731, 225268), (6226, 207358), (8756, 147443), (11462, 112634), (12452, 103679), (22924, 56317)]