207813925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 305694720

約数和(自身を除く): 97880795

約数列:

[1, 5, 11, 19, 25, 31, 55, 95, 155, 209, 275, 341, 475, 589, 775, 1045, 1283, 1705, 2945, 5225, 6415, 6479, 8525, 14113, 14725, 24377, 32075, 32395, 39773, 70565, 121885, 161975, 198865, 268147, 352825, 437503, 609425, 755687, 994325, 1340735, 2187515, 3778435, 6703675, 8312557, 10937575, 18892175, 41562785, 207813925]

約数ペア:

[(1, 207813925), (5, 41562785), (11, 18892175), (19, 10937575), (25, 8312557), (31, 6703675), (55, 3778435), (95, 2187515), (155, 1340735), (209, 994325), (275, 755687), (341, 609425), (475, 437503), (589, 352825), (775, 268147), (1045, 198865), (1283, 161975), (1705, 121885), (2945, 70565), (5225, 39773), (6415, 32395), (6479, 32075), (8525, 24377), (14113, 14725)]