13130425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 21427200

約数和(自身を除く): 8296775

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 359, 385, 475, 665, 1045, 1463, 1795, 1925, 2513, 3325, 3949, 5225, 6821, 7315, 8975, 12565, 19745, 27643, 34105, 36575, 47747, 62825, 75031, 98725, 138215, 170525, 238735, 375155, 525217, 691075, 1193675, 1875775, 2626085, 13130425]

約数ペア:

[(1, 13130425), (5, 2626085), (7, 1875775), (11, 1193675), (19, 691075), (25, 525217), (35, 375155), (55, 238735), (77, 170525), (95, 138215), (133, 98725), (175, 75031), (209, 62825), (275, 47747), (359, 36575), (385, 34105), (475, 27643), (665, 19745), (1045, 12565), (1463, 8975), (1795, 7315), (1925, 6821), (2513, 5225), (3325, 3949)]