644443539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 940896000

約数和(自身を除く): 296452461

約数列:

[1, 3, 19, 29, 57, 87, 197, 551, 591, 1653, 1979, 3743, 5713, 5937, 11229, 17139, 37601, 57391, 108547, 112803, 172173, 325641, 389863, 1090429, 1169589, 3271287, 7407397, 11306027, 22222191, 33918081, 214814513, 644443539]

約数ペア:

[(1, 644443539), (3, 214814513), (19, 33918081), (29, 22222191), (57, 11306027), (87, 7407397), (197, 3271287), (551, 1169589), (591, 1090429), (1653, 389863), (1979, 325641), (3743, 172173), (5713, 112803), (5937, 108547), (11229, 57391), (17139, 37601)]