201821152

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 72

約数和(自身を含む): 437456376

約数和(自身を除く): 235635224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 169, 208, 268, 338, 416, 536, 557, 676, 871, 1072, 1114, 1352, 1742, 2144, 2228, 2704, 3484, 4456, 5408, 6968, 7241, 8912, 11323, 13936, 14482, 17824, 22646, 27872, 28964, 37319, 45292, 57928, 74638, 90584, 94133, 115856, 149276, 181168, 188266, 231712, 298552, 362336, 376532, 485147, 597104, 753064, 970294, 1194208, 1506128, 1940588, 3012256, 3881176, 6306911, 7762352, 12613822, 15524704, 25227644, 50455288, 100910576, 201821152]

約数ペア:

[(1, 201821152), (2, 100910576), (4, 50455288), (8, 25227644), (13, 15524704), (16, 12613822), (26, 7762352), (32, 6306911), (52, 3881176), (67, 3012256), (104, 1940588), (134, 1506128), (169, 1194208), (208, 970294), (268, 753064), (338, 597104), (416, 485147), (536, 376532), (557, 362336), (676, 298552), (871, 231712), (1072, 188266), (1114, 181168), (1352, 149276), (1742, 115856), (2144, 94133), (2228, 90584), (2704, 74638), (3484, 57928), (4456, 45292), (5408, 37319), (6968, 28964), (7241, 27872), (8912, 22646), (11323, 17824), (13936, 14482)]