640368001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16103}}^1$

素因数の和:16165

約数の個数: 32

約数和(自身を含む): 865751040

約数和(自身を除く): 225383039

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1729, 2093, 3059, 5681, 16103, 39767, 112721, 209339, 305957, 370369, 1465373, 2141699, 2592583, 3977441, 4814797, 7037011, 27842087, 33703579, 49259077, 91481143, 640368001]

約数ペア:

[(1, 640368001), (7, 91481143), (13, 49259077), (19, 33703579), (23, 27842087), (91, 7037011), (133, 4814797), (161, 3977441), (247, 2592583), (299, 2141699), (437, 1465373), (1729, 370369), (2093, 305957), (3059, 209339), (5681, 112721), (16103, 39767)]