1959978535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8731}}^1$

素因数の和:8911

約数の個数: 32

約数和(自身を含む): 2640556800

約数和(自身を除く): 680578265

約数列:

[1, 5, 17, 19, 85, 95, 139, 323, 695, 1615, 2363, 2641, 8731, 11815, 13205, 43655, 44897, 148427, 165889, 224485, 742135, 829445, 1213609, 2820113, 6068045, 14100565, 20631353, 23058571, 103156765, 115292855, 391995707, 1959978535]

約数ペア:

[(1, 1959978535), (5, 391995707), (17, 115292855), (19, 103156765), (85, 23058571), (95, 20631353), (139, 14100565), (323, 6068045), (695, 2820113), (1615, 1213609), (2363, 829445), (2641, 742135), (8731, 224485), (11815, 165889), (13205, 148427), (43655, 44897)]