81908216

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 169970400

約数和(自身を除く): 88062184

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 338, 376, 611, 676, 1222, 1289, 1352, 2444, 2578, 4888, 5156, 7943, 10312, 15886, 16757, 31772, 33514, 60583, 63544, 67028, 121166, 134056, 217841, 242332, 435682, 484664, 787579, 871364, 1575158, 1742728, 3150316, 6300632, 10238527, 20477054, 40954108, 81908216]

約数ペア:

[(1, 81908216), (2, 40954108), (4, 20477054), (8, 10238527), (13, 6300632), (26, 3150316), (47, 1742728), (52, 1575158), (94, 871364), (104, 787579), (169, 484664), (188, 435682), (338, 242332), (376, 217841), (611, 134056), (676, 121166), (1222, 67028), (1289, 63544), (1352, 60583), (2444, 33514), (2578, 31772), (4888, 16757), (5156, 15886), (7943, 10312)]