1390563928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{310949}}^1$

素因数の和:311011

約数の個数: 32

約数和(自身を含む): 2873178000

約数和(自身を除く): 1482614072

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 310949, 621898, 1243796, 2487592, 4042337, 8084674, 13370807, 16169348, 26741614, 32338696, 53483228, 106966456, 173820491, 347640982, 695281964, 1390563928]

約数ペア:

[(1, 1390563928), (2, 695281964), (4, 347640982), (8, 173820491), (13, 106966456), (26, 53483228), (43, 32338696), (52, 26741614), (86, 16169348), (104, 13370807), (172, 8084674), (344, 4042337), (559, 2487592), (1118, 1243796), (2236, 621898), (4472, 310949)]