87971884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 209534976

約数和(自身を除く): 121563092

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 127, 143, 154, 173, 182, 254, 286, 308, 346, 364, 508, 572, 692, 889, 1001, 1211, 1397, 1651, 1778, 1903, 2002, 2249, 2422, 2794, 3302, 3556, 3806, 4004, 4498, 4844, 5588, 6604, 7612, 8996, 9779, 11557, 13321, 15743, 18161, 19558, 21971, 23114, 24739, 26642, 31486, 36322, 39116, 43942, 46228, 49478, 53284, 62972, 72644, 87884, 98956, 127127, 153797, 173173, 241681, 254254, 285623, 307594, 346346, 483362, 508508, 571246, 615188, 692692, 966724, 1142492, 1691767, 1999361, 3141853, 3383534, 3998722, 6283706, 6767068, 7997444, 12567412, 21992971, 43985942, 87971884]

約数ペア:

[(1, 87971884), (2, 43985942), (4, 21992971), (7, 12567412), (11, 7997444), (13, 6767068), (14, 6283706), (22, 3998722), (26, 3383534), (28, 3141853), (44, 1999361), (52, 1691767), (77, 1142492), (91, 966724), (127, 692692), (143, 615188), (154, 571246), (173, 508508), (182, 483362), (254, 346346), (286, 307594), (308, 285623), (346, 254254), (364, 241681), (508, 173173), (572, 153797), (692, 127127), (889, 98956), (1001, 87884), (1211, 72644), (1397, 62972), (1651, 53284), (1778, 49478), (1903, 46228), (2002, 43942), (2249, 39116), (2422, 36322), (2794, 31486), (3302, 26642), (3556, 24739), (3806, 23114), (4004, 21971), (4498, 19558), (4844, 18161), (5588, 15743), (6604, 13321), (7612, 11557), (8996, 9779)]