663322945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 848517120

約数和(自身を除く): 185194175

約数列:

[1, 5, 29, 43, 145, 191, 215, 557, 955, 1247, 2785, 5539, 6235, 8213, 16153, 23951, 27695, 41065, 80765, 106387, 119755, 238177, 531935, 694579, 1190885, 3085223, 3472895, 4574641, 15426115, 22873205, 132664589, 663322945]

約数ペア:

[(1, 663322945), (5, 132664589), (29, 22873205), (43, 15426115), (145, 4574641), (191, 3472895), (215, 3085223), (557, 1190885), (955, 694579), (1247, 531935), (2785, 238177), (5539, 119755), (6235, 106387), (8213, 80765), (16153, 41065), (23951, 27695)]