389628533

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 478302720

約数和(自身を除く): 88674187

約数列:

[1, 7, 23, 61, 97, 161, 409, 427, 679, 1403, 2231, 2863, 5917, 9407, 9821, 15617, 24949, 39673, 41419, 65849, 136091, 174643, 277711, 573827, 912479, 952637, 2420053, 4016789, 6387353, 16940371, 55661219, 389628533]

約数ペア:

[(1, 389628533), (7, 55661219), (23, 16940371), (61, 6387353), (97, 4016789), (161, 2420053), (409, 952637), (427, 912479), (679, 573827), (1403, 277711), (2231, 174643), (2863, 136091), (5917, 65849), (9407, 41419), (9821, 39673), (15617, 24949)]