1991148545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{2753}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 2588848128

約数和(自身を除く): 597699583

約数列:

[1, 5, 17, 67, 85, 127, 335, 635, 1139, 2159, 2753, 5695, 8509, 10795, 13765, 42545, 46801, 144653, 184451, 234005, 349631, 723265, 922255, 1748155, 3135667, 5943727, 15678335, 23425277, 29718635, 117126385, 398229709, 1991148545]

約数ペア:

[(1, 1991148545), (5, 398229709), (17, 117126385), (67, 29718635), (85, 23425277), (127, 15678335), (335, 5943727), (635, 3135667), (1139, 1748155), (2159, 922255), (2753, 723265), (5695, 349631), (8509, 234005), (10795, 184451), (13765, 144653), (42545, 46801)]