69897575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 101350656

約数和(自身を除く): 31453081

約数列:

[1, 5, 11, 23, 25, 43, 55, 115, 215, 253, 257, 275, 473, 575, 989, 1075, 1265, 1285, 2365, 2827, 4945, 5911, 6325, 6425, 10879, 11051, 11825, 14135, 24725, 29555, 54395, 55255, 65021, 70675, 121561, 147775, 254173, 271975, 276275, 325105, 607805, 1270865, 1625525, 2795903, 3039025, 6354325, 13979515, 69897575]

約数ペア:

[(1, 69897575), (5, 13979515), (11, 6354325), (23, 3039025), (25, 2795903), (43, 1625525), (55, 1270865), (115, 607805), (215, 325105), (253, 276275), (257, 271975), (275, 254173), (473, 147775), (575, 121561), (989, 70675), (1075, 65021), (1265, 55255), (1285, 54395), (2365, 29555), (2827, 24725), (4945, 14135), (5911, 11825), (6325, 11051), (6425, 10879)]