17399915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 24118080

約数和(自身を除く): 6718165

約数列:

[1, 5, 13, 19, 65, 73, 95, 193, 247, 365, 949, 965, 1235, 1387, 2509, 3667, 4745, 6935, 12545, 14089, 18031, 18335, 47671, 70445, 90155, 183157, 238355, 267691, 915785, 1338455, 3479983, 17399915]

約数ペア:

[(1, 17399915), (5, 3479983), (13, 1338455), (19, 915785), (65, 267691), (73, 238355), (95, 183157), (193, 90155), (247, 70445), (365, 47671), (949, 18335), (965, 18031), (1235, 14089), (1387, 12545), (2509, 6935), (3667, 4745)]