51478505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 71111040

約数和(自身を除く): 19632535

約数列:

[1, 5, 13, 19, 65, 73, 95, 247, 365, 571, 949, 1235, 1387, 2855, 4745, 6935, 7423, 10849, 18031, 37115, 41683, 54245, 90155, 141037, 208415, 541879, 705185, 791977, 2709395, 3959885, 10295701, 51478505]

約数ペア:

[(1, 51478505), (5, 10295701), (13, 3959885), (19, 2709395), (65, 791977), (73, 705185), (95, 541879), (247, 208415), (365, 141037), (571, 90155), (949, 54245), (1235, 41683), (1387, 37115), (2855, 18031), (4745, 10849), (6935, 7423)]