217980464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2903}}^1$

素因数の和:2962

約数の個数: 60

約数和(自身を含む): 480188016

約数和(自身を除く): 262207552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 494, 722, 988, 1444, 1976, 2888, 2903, 3952, 4693, 5776, 5806, 9386, 11612, 18772, 23224, 37544, 37739, 46448, 55157, 75088, 75478, 110314, 150956, 220628, 301912, 441256, 603824, 717041, 882512, 1047983, 1434082, 2095966, 2868164, 4191932, 5736328, 8383864, 11472656, 13623779, 16767728, 27247558, 54495116, 108990232, 217980464]

約数ペア:

[(1, 217980464), (2, 108990232), (4, 54495116), (8, 27247558), (13, 16767728), (16, 13623779), (19, 11472656), (26, 8383864), (38, 5736328), (52, 4191932), (76, 2868164), (104, 2095966), (152, 1434082), (208, 1047983), (247, 882512), (304, 717041), (361, 603824), (494, 441256), (722, 301912), (988, 220628), (1444, 150956), (1976, 110314), (2888, 75478), (2903, 75088), (3952, 55157), (4693, 46448), (5776, 37739), (5806, 37544), (9386, 23224), (11612, 18772)]