289133089

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{10303}}^1$

素因数の和:10540

約数の個数: 16

約数和(自身を含む): 349511680

約数和(自身を除く): 60378591

約数列:

[1, 7, 19, 133, 211, 1477, 4009, 10303, 28063, 72121, 195757, 1370299, 2173933, 15217531, 41304727, 289133089]

約数ペア:

[(1, 289133089), (7, 41304727), (19, 15217531), (133, 2173933), (211, 1370299), (1477, 195757), (4009, 72121), (10303, 28063)]