199890295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1459}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 272471040

約数和(自身を除く): 72580745

約数列:

[1, 5, 11, 47, 53, 55, 235, 265, 517, 583, 1459, 2491, 2585, 2915, 7295, 12455, 16049, 27401, 68573, 77327, 80245, 137005, 342865, 386635, 754303, 850597, 3634369, 3771515, 4252985, 18171845, 39978059, 199890295]

約数ペア:

[(1, 199890295), (5, 39978059), (11, 18171845), (47, 4252985), (53, 3771515), (55, 3634369), (235, 850597), (265, 754303), (517, 386635), (583, 342865), (1459, 137005), (2491, 80245), (2585, 77327), (2915, 68573), (7295, 27401), (12455, 16049)]