77886985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 108904320

約数和(自身を除く): 31017335

約数列:

[1, 5, 11, 19, 55, 73, 95, 209, 365, 803, 1021, 1045, 1387, 4015, 5105, 6935, 11231, 15257, 19399, 56155, 74533, 76285, 96995, 213389, 372665, 819863, 1066945, 1416127, 4099315, 7080635, 15577397, 77886985]

約数ペア:

[(1, 77886985), (5, 15577397), (11, 7080635), (19, 4099315), (55, 1416127), (73, 1066945), (95, 819863), (209, 372665), (365, 213389), (803, 96995), (1021, 76285), (1045, 74533), (1387, 56155), (4015, 19399), (5105, 15257), (6935, 11231)]