408889242688

素因数分解:

$2^6\times {\mathrm{307}}^1\times {\mathrm{20810731}}^1$

素因数の和:20811050

約数の個数: 28

約数和(自身を含む): 814032592912

約数和(自身を除く): 405143350224

約数列:

[1, 2, 4, 8, 16, 32, 64, 307, 614, 1228, 2456, 4912, 9824, 19648, 20810731, 41621462, 83242924, 166485848, 332971696, 665943392, 1331886784, 6388894417, 12777788834, 25555577668, 51111155336, 102222310672, 204444621344, 408889242688]

約数ペア:

[(1, 408889242688), (2, 204444621344), (4, 102222310672), (8, 51111155336), (16, 25555577668), (32, 12777788834), (64, 6388894417), (307, 1331886784), (614, 665943392), (1228, 332971696), (2456, 166485848), (4912, 83242924), (9824, 41621462), (19648, 20810731)]