209868724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 413538048

約数和(自身を除く): 203669324

約数列:

[1, 2, 4, 13, 26, 43, 47, 52, 86, 94, 172, 188, 559, 611, 1118, 1222, 1997, 2021, 2236, 2444, 3994, 4042, 7988, 8084, 25961, 26273, 51922, 52546, 85871, 93859, 103844, 105092, 171742, 187718, 343484, 375436, 1116323, 1220167, 2232646, 2440334, 4035937, 4465292, 4880668, 8071874, 16143748, 52467181, 104934362, 209868724]

約数ペア:

[(1, 209868724), (2, 104934362), (4, 52467181), (13, 16143748), (26, 8071874), (43, 4880668), (47, 4465292), (52, 4035937), (86, 2440334), (94, 2232646), (172, 1220167), (188, 1116323), (559, 375436), (611, 343484), (1118, 187718), (1222, 171742), (1997, 105092), (2021, 103844), (2236, 93859), (2444, 85871), (3994, 52546), (4042, 51922), (7988, 26273), (8084, 25961)]