822161725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 1313290944

約数和(自身を除く): 491129219

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 121, 175, 205, 275, 287, 385, 451, 605, 847, 947, 1025, 1435, 1925, 2255, 3025, 3157, 4235, 4735, 4961, 6629, 7175, 10417, 11275, 15785, 21175, 23675, 24805, 33145, 34727, 38827, 52085, 72919, 78925, 114587, 124025, 165725, 173635, 194135, 260425, 271789, 364595, 427097, 572935, 802109, 868175, 970675, 1358945, 1822975, 2135485, 2864675, 2989679, 4010545, 4698067, 6794725, 10677425, 14948395, 20052725, 23490335, 32886469, 74741975, 117451675, 164432345, 822161725]

約数ペア:

[(1, 822161725), (5, 164432345), (7, 117451675), (11, 74741975), (25, 32886469), (35, 23490335), (41, 20052725), (55, 14948395), (77, 10677425), (121, 6794725), (175, 4698067), (205, 4010545), (275, 2989679), (287, 2864675), (385, 2135485), (451, 1822975), (605, 1358945), (847, 970675), (947, 868175), (1025, 802109), (1435, 572935), (1925, 427097), (2255, 364595), (3025, 271789), (3157, 260425), (4235, 194135), (4735, 173635), (4961, 165725), (6629, 124025), (7175, 114587), (10417, 78925), (11275, 72919), (15785, 52085), (21175, 38827), (23675, 34727), (24805, 33145)]