820120594876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{53113}}^1$

素因数の和:53723

約数の個数: 72

約数和(自身を含む): 1606503465392

約数和(自身を除く): 786382870516

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 523, 671, 1046, 1342, 2092, 2684, 5753, 7381, 11506, 14762, 23012, 29524, 31903, 53113, 63283, 63806, 106226, 126566, 127612, 212452, 253132, 350933, 584243, 701866, 1168486, 1403732, 2336972, 3239893, 3860263, 6426673, 6479786, 7720526, 12853346, 12959572, 15441052, 25706692, 27778099, 35638823, 55556198, 71277646, 111112396, 142555292, 305559089, 392027053, 611118178, 784054106, 1222236356, 1568108212, 1694464039, 3361149979, 3388928078, 6722299958, 6777856156, 13444599916, 18639104429, 37278208858, 74556417716, 205030148719, 410060297438, 820120594876]

約数ペア:

[(1, 820120594876), (2, 410060297438), (4, 205030148719), (11, 74556417716), (22, 37278208858), (44, 18639104429), (61, 13444599916), (121, 6777856156), (122, 6722299958), (242, 3388928078), (244, 3361149979), (484, 1694464039), (523, 1568108212), (671, 1222236356), (1046, 784054106), (1342, 611118178), (2092, 392027053), (2684, 305559089), (5753, 142555292), (7381, 111112396), (11506, 71277646), (14762, 55556198), (23012, 35638823), (29524, 27778099), (31903, 25706692), (53113, 15441052), (63283, 12959572), (63806, 12853346), (106226, 7720526), (126566, 6479786), (127612, 6426673), (212452, 3860263), (253132, 3239893), (350933, 2336972), (584243, 1403732), (701866, 1168486)]