639001565

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 798456960

約数和(自身を除く): 159455395

約数列:

[1, 5, 59, 97, 137, 163, 295, 485, 685, 815, 5723, 8083, 9617, 13289, 15811, 22331, 28615, 40415, 48085, 66445, 79055, 111655, 784051, 932849, 1317529, 2166107, 3920255, 4664245, 6587645, 10830535, 127800313, 639001565]

約数ペア:

[(1, 639001565), (5, 127800313), (59, 10830535), (97, 6587645), (137, 4664245), (163, 3920255), (295, 2166107), (485, 1317529), (685, 932849), (815, 784051), (5723, 111655), (8083, 79055), (9617, 66445), (13289, 48085), (15811, 40415), (22331, 28615)]