388664815

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4973}}^1$

素因数の和:5032

約数の個数: 48

約数和(自身を含む): 612398880

約数和(自身を除く): 223734065

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 1015, 1421, 1595, 2233, 2695, 4973, 7105, 11165, 15631, 24865, 34811, 54703, 78155, 144217, 174055, 243677, 273515, 382921, 721085, 1009519, 1218385, 1586387, 1914605, 2680447, 5047595, 7066633, 7931935, 11104709, 13402235, 35333165, 55523545, 77732963, 388664815]

約数ペア:

[(1, 388664815), (5, 77732963), (7, 55523545), (11, 35333165), (29, 13402235), (35, 11104709), (49, 7931935), (55, 7066633), (77, 5047595), (145, 2680447), (203, 1914605), (245, 1586387), (319, 1218385), (385, 1009519), (539, 721085), (1015, 382921), (1421, 273515), (1595, 243677), (2233, 174055), (2695, 144217), (4973, 78155), (7105, 54703), (11165, 34811), (15631, 24865)]