26539975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 43497216

約数和(自身を除く): 16957241

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 811, 935, 1309, 1925, 2975, 4055, 4675, 5677, 6545, 8921, 13787, 20275, 28385, 32725, 44605, 62447, 68935, 96509, 141925, 151657, 223025, 312235, 344675, 482545, 758285, 1061599, 1561175, 2412725, 3791425, 5307995, 26539975]

約数ペア:

[(1, 26539975), (5, 5307995), (7, 3791425), (11, 2412725), (17, 1561175), (25, 1061599), (35, 758285), (55, 482545), (77, 344675), (85, 312235), (119, 223025), (175, 151657), (187, 141925), (275, 96509), (385, 68935), (425, 62447), (595, 44605), (811, 32725), (935, 28385), (1309, 20275), (1925, 13787), (2975, 8921), (4055, 6545), (4675, 5677)]