289308299

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 344861856

約数和(自身を除く): 55553557

約数列:

[1, 7, 49, 61, 151, 427, 641, 1057, 2989, 4487, 7399, 9211, 31409, 39101, 64477, 96791, 273707, 451339, 677537, 1915949, 4742759, 5904251, 41329757, 289308299]

約数ペア:

[(1, 289308299), (7, 41329757), (49, 5904251), (61, 4742759), (151, 1915949), (427, 677537), (641, 451339), (1057, 273707), (2989, 96791), (4487, 64477), (7399, 39101), (9211, 31409)]