197249975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 274294944

約数和(自身を除く): 77044969

約数列:

[1, 5, 13, 25, 41, 65, 113, 131, 205, 325, 533, 565, 655, 1025, 1469, 1703, 2665, 2825, 3275, 4633, 5371, 7345, 8515, 13325, 14803, 23165, 26855, 36725, 42575, 60229, 69823, 74015, 115825, 134275, 192439, 301145, 349115, 370075, 606923, 962195, 1505725, 1745575, 3034615, 4810975, 7889999, 15173075, 39449995, 197249975]

約数ペア:

[(1, 197249975), (5, 39449995), (13, 15173075), (25, 7889999), (41, 4810975), (65, 3034615), (113, 1745575), (131, 1505725), (205, 962195), (325, 606923), (533, 370075), (565, 349115), (655, 301145), (1025, 192439), (1469, 134275), (1703, 115825), (2665, 74015), (2825, 69823), (3275, 60229), (4633, 42575), (5371, 36725), (7345, 26855), (8515, 23165), (13325, 14803)]