199209712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{22273}}^1$

素因数の和:22337

約数の個数: 40

約数和(自身を含む): 425344304

約数和(自身を除く): 226134592

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 22273, 44546, 89092, 178184, 289549, 356368, 579098, 957739, 1158196, 1915478, 2316392, 3830956, 4632784, 7661912, 12450607, 15323824, 24901214, 49802428, 99604856, 199209712]

約数ペア:

[(1, 199209712), (2, 99604856), (4, 49802428), (8, 24901214), (13, 15323824), (16, 12450607), (26, 7661912), (43, 4632784), (52, 3830956), (86, 2316392), (104, 1915478), (172, 1158196), (208, 957739), (344, 579098), (559, 356368), (688, 289549), (1118, 178184), (2236, 89092), (4472, 44546), (8944, 22273)]