320205931

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 360737280

約数和(自身を除く): 40531349

約数列:

[1, 17, 23, 67, 289, 391, 719, 1139, 1541, 6647, 12223, 16537, 19363, 26197, 48173, 207791, 281129, 445349, 818941, 1107979, 4779193, 13921997, 18835643, 320205931]

約数ペア:

[(1, 320205931), (17, 18835643), (23, 13921997), (67, 4779193), (289, 1107979), (391, 818941), (719, 445349), (1139, 281129), (1541, 207791), (6647, 48173), (12223, 26197), (16537, 19363)]