66825925

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 89966464

約数和(自身を除く): 23140539

約数列:

[1, 5, 23, 25, 31, 115, 155, 163, 529, 575, 713, 775, 815, 2645, 3565, 3749, 4075, 5053, 13225, 16399, 17825, 18745, 25265, 81995, 86227, 93725, 116219, 126325, 409975, 431135, 581095, 2155675, 2673037, 2905475, 13365185, 66825925]

約数ペア:

[(1, 66825925), (5, 13365185), (23, 2905475), (25, 2673037), (31, 2155675), (115, 581095), (155, 431135), (163, 409975), (529, 126325), (575, 116219), (713, 93725), (775, 86227), (815, 81995), (2645, 25265), (3565, 18745), (3749, 17825), (4075, 16399), (5053, 13225)]