13640275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 18619344

約数和(自身を除く): 4979069

約数列:

[1, 5, 11, 25, 55, 193, 257, 275, 965, 1285, 2123, 2827, 4825, 6425, 10615, 14135, 49601, 53075, 70675, 248005, 545611, 1240025, 2728055, 13640275]

約数ペア:

[(1, 13640275), (5, 2728055), (11, 1240025), (25, 545611), (55, 248005), (193, 70675), (257, 53075), (275, 49601), (965, 14135), (1285, 10615), (2123, 6425), (2827, 4825)]