84042985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4003}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 121080960

約数和(自身を除く): 37037975

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4003, 4199, 20015, 20995, 52039, 68051, 76057, 260195, 340255, 380285, 884663, 988741, 1292969, 4423315, 4943705, 6464845, 16808597, 84042985]

約数ペア:

[(1, 84042985), (5, 16808597), (13, 6464845), (17, 4943705), (19, 4423315), (65, 1292969), (85, 988741), (95, 884663), (221, 380285), (247, 340255), (323, 260195), (1105, 76057), (1235, 68051), (1615, 52039), (4003, 20995), (4199, 20015)]