381120008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{65171}}^1$

素因数の和:65237

約数の個数: 32

約数和(自身を含む): 774243360

約数和(自身を除く): 393123352

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 65171, 130342, 260684, 521368, 1107907, 2215814, 2802353, 4431628, 5604706, 8863256, 11209412, 22418824, 47640001, 95280002, 190560004, 381120008]

約数ペア:

[(1, 381120008), (2, 190560004), (4, 95280002), (8, 47640001), (17, 22418824), (34, 11209412), (43, 8863256), (68, 5604706), (86, 4431628), (136, 2802353), (172, 2215814), (344, 1107907), (731, 521368), (1462, 260684), (2924, 130342), (5848, 65171)]