81486678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8779}}^1$

素因数の和:8821

約数の個数: 64

約数和(自身を含む): 212405760

約数和(自身を除く): 130919082

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 3094, 4641, 8779, 9282, 17558, 26337, 52674, 61453, 114127, 122906, 149243, 184359, 228254, 298486, 342381, 368718, 447729, 684762, 798889, 895458, 1044701, 1597778, 1940159, 2089402, 2396667, 3134103, 3880318, 4793334, 5820477, 6268206, 11640954, 13581113, 27162226, 40743339, 81486678]

約数ペア:

[(1, 81486678), (2, 40743339), (3, 27162226), (6, 13581113), (7, 11640954), (13, 6268206), (14, 5820477), (17, 4793334), (21, 3880318), (26, 3134103), (34, 2396667), (39, 2089402), (42, 1940159), (51, 1597778), (78, 1044701), (91, 895458), (102, 798889), (119, 684762), (182, 447729), (221, 368718), (238, 342381), (273, 298486), (357, 228254), (442, 184359), (546, 149243), (663, 122906), (714, 114127), (1326, 61453), (1547, 52674), (3094, 26337), (4641, 17558), (8779, 9282)]