254991407

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 287950320

約数和(自身を除く): 32958913

約数列:

[1, 11, 61, 121, 179, 193, 671, 1969, 2123, 7381, 10919, 11773, 21659, 23353, 34547, 120109, 129503, 380017, 1321199, 1424533, 2107367, 4180187, 23181037, 254991407]

約数ペア:

[(1, 254991407), (11, 23181037), (61, 4180187), (121, 2107367), (179, 1424533), (193, 1321199), (671, 380017), (1969, 129503), (2123, 120109), (7381, 34547), (10919, 23353), (11773, 21659)]