1271161775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 1738117920

約数和(自身を除く): 466956145

約数列:

[1, 5, 13, 25, 65, 73, 131, 325, 365, 409, 655, 949, 1703, 1825, 2045, 3275, 4745, 5317, 8515, 9563, 10225, 23725, 26585, 29857, 42575, 47815, 53579, 124319, 132925, 149285, 239075, 267895, 388141, 621595, 696527, 746425, 1339475, 1940705, 3107975, 3482635, 3911267, 9703525, 17413175, 19556335, 50846471, 97781675, 254232355, 1271161775]

約数ペア:

[(1, 1271161775), (5, 254232355), (13, 97781675), (25, 50846471), (65, 19556335), (73, 17413175), (131, 9703525), (325, 3911267), (365, 3482635), (409, 3107975), (655, 1940705), (949, 1339475), (1703, 746425), (1825, 696527), (2045, 621595), (3275, 388141), (4745, 267895), (5317, 239075), (8515, 149285), (9563, 132925), (10225, 124319), (23725, 53579), (26585, 47815), (29857, 42575)]