81385528

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 188256960

約数和(自身を除く): 106871432

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 424, 476, 742, 901, 952, 1484, 1613, 1802, 2968, 3226, 3604, 6307, 6452, 7208, 11291, 12614, 12904, 22582, 25228, 27421, 45164, 50456, 54842, 85489, 90328, 109684, 170978, 191947, 219368, 341956, 383894, 598423, 683912, 767788, 1196846, 1453313, 1535576, 2393692, 2906626, 4787384, 5813252, 10173191, 11626504, 20346382, 40692764, 81385528]

約数ペア:

[(1, 81385528), (2, 40692764), (4, 20346382), (7, 11626504), (8, 10173191), (14, 5813252), (17, 4787384), (28, 2906626), (34, 2393692), (53, 1535576), (56, 1453313), (68, 1196846), (106, 767788), (119, 683912), (136, 598423), (212, 383894), (238, 341956), (371, 219368), (424, 191947), (476, 170978), (742, 109684), (901, 90328), (952, 85489), (1484, 54842), (1613, 50456), (1802, 45164), (2968, 27421), (3226, 25228), (3604, 22582), (6307, 12904), (6452, 12614), (7208, 11291)]