717072385

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^2\times {\mathrm{137}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 887753448

約数和(自身を除く): 170681063

約数列:

[1, 5, 61, 131, 137, 305, 655, 685, 7991, 8357, 17161, 17947, 39955, 41785, 85805, 89735, 1046821, 1094767, 2351057, 5234105, 5473835, 11755285, 143414477, 717072385]

約数ペア:

[(1, 717072385), (5, 143414477), (61, 11755285), (131, 5473835), (137, 5234105), (305, 2351057), (655, 1094767), (685, 1046821), (7991, 89735), (8357, 85805), (17161, 41785), (17947, 39955)]