256080385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1283}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 355000320

約数和(自身を除く): 98919935

約数列:

[1, 5, 11, 19, 55, 95, 191, 209, 955, 1045, 1283, 2101, 3629, 6415, 10505, 14113, 18145, 24377, 39919, 70565, 121885, 199595, 245053, 268147, 1225265, 1340735, 2695583, 4656007, 13477915, 23280035, 51216077, 256080385]

約数ペア:

[(1, 256080385), (5, 51216077), (11, 23280035), (19, 13477915), (55, 4656007), (95, 2695583), (191, 1340735), (209, 1225265), (955, 268147), (1045, 245053), (1283, 199595), (2101, 121885), (3629, 70565), (6415, 39919), (10505, 24377), (14113, 18145)]