208392443

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 273326400

約数和(自身を除く): 64933957

約数列:

[1, 7, 17, 23, 49, 73, 119, 149, 161, 391, 511, 833, 1043, 1127, 1241, 1679, 2533, 2737, 3427, 3577, 7301, 8687, 10877, 11753, 17731, 19159, 23989, 28543, 58259, 60809, 76139, 82271, 124117, 167923, 184909, 199801, 250171, 407813, 532973, 1294363, 1398607, 1751197, 2854691, 4252907, 9060541, 12258379, 29770349, 208392443]

約数ペア:

[(1, 208392443), (7, 29770349), (17, 12258379), (23, 9060541), (49, 4252907), (73, 2854691), (119, 1751197), (149, 1398607), (161, 1294363), (391, 532973), (511, 407813), (833, 250171), (1043, 199801), (1127, 184909), (1241, 167923), (1679, 124117), (2533, 82271), (2737, 76139), (3427, 60809), (3577, 58259), (7301, 28543), (8687, 23989), (10877, 19159), (11753, 17731)]