808216805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 1188794880

約数和(自身を除く): 380578075

約数列:

[1, 5, 11, 17, 29, 41, 55, 85, 145, 187, 205, 319, 451, 493, 697, 727, 935, 1189, 1595, 2255, 2465, 3485, 3635, 5423, 5945, 7667, 7997, 12359, 13079, 20213, 21083, 27115, 29807, 38335, 39985, 61795, 65395, 101065, 105415, 135949, 149035, 222343, 231913, 327877, 358411, 506719, 679745, 864403, 1111715, 1159565, 1639385, 1792055, 2533595, 3942521, 4322015, 5573909, 9508433, 14694851, 19712605, 27869545, 47542165, 73474255, 161643361, 808216805]

約数ペア:

[(1, 808216805), (5, 161643361), (11, 73474255), (17, 47542165), (29, 27869545), (41, 19712605), (55, 14694851), (85, 9508433), (145, 5573909), (187, 4322015), (205, 3942521), (319, 2533595), (451, 1792055), (493, 1639385), (697, 1159565), (727, 1111715), (935, 864403), (1189, 679745), (1595, 506719), (2255, 358411), (2465, 327877), (3485, 231913), (3635, 222343), (5423, 149035), (5945, 135949), (7667, 105415), (7997, 101065), (12359, 65395), (13079, 61795), (20213, 39985), (21083, 38335), (27115, 29807)]