721000268

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{5333}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 1282037568

約数和(自身を除く): 561037300

約数列:

[1, 2, 4, 73, 146, 292, 463, 926, 1852, 5333, 10666, 21332, 33799, 67598, 135196, 389309, 778618, 1557236, 2469179, 4938358, 9876716, 180250067, 360500134, 721000268]

約数ペア:

[(1, 721000268), (2, 360500134), (4, 180250067), (73, 9876716), (146, 4938358), (292, 2469179), (463, 1557236), (926, 778618), (1852, 389309), (5333, 135196), (10666, 67598), (21332, 33799)]