678249964

素因数分解:

$2^2\times 7^2\times {\mathrm{353}}^1\times {\mathrm{9803}}^1$

素因数の和:10174

約数の個数: 36

約数和(自身を含む): 1384775784

約数和(自身を除く): 706525820

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 353, 706, 1412, 2471, 4942, 9803, 9884, 17297, 19606, 34594, 39212, 68621, 69188, 137242, 274484, 480347, 960694, 1921388, 3460459, 6920918, 13841836, 24223213, 48446426, 96892852, 169562491, 339124982, 678249964]

約数ペア:

[(1, 678249964), (2, 339124982), (4, 169562491), (7, 96892852), (14, 48446426), (28, 24223213), (49, 13841836), (98, 6920918), (196, 3460459), (353, 1921388), (706, 960694), (1412, 480347), (2471, 274484), (4942, 137242), (9803, 69188), (9884, 68621), (17297, 39212), (19606, 34594)]