208066352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 448596288

約数和(自身を除く): 240529936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 73, 104, 142, 146, 193, 208, 284, 292, 386, 568, 584, 772, 923, 949, 1136, 1168, 1544, 1846, 1898, 2509, 3088, 3692, 3796, 5018, 5183, 7384, 7592, 10036, 10366, 13703, 14089, 14768, 15184, 20072, 20732, 27406, 28178, 40144, 41464, 54812, 56356, 67379, 82928, 109624, 112712, 134758, 178139, 183157, 219248, 225424, 269516, 356278, 366314, 539032, 712556, 732628, 1000319, 1078064, 1425112, 1465256, 2000638, 2850224, 2930512, 4001276, 8002552, 13004147, 16005104, 26008294, 52016588, 104033176, 208066352]

約数ペア:

[(1, 208066352), (2, 104033176), (4, 52016588), (8, 26008294), (13, 16005104), (16, 13004147), (26, 8002552), (52, 4001276), (71, 2930512), (73, 2850224), (104, 2000638), (142, 1465256), (146, 1425112), (193, 1078064), (208, 1000319), (284, 732628), (292, 712556), (386, 539032), (568, 366314), (584, 356278), (772, 269516), (923, 225424), (949, 219248), (1136, 183157), (1168, 178139), (1544, 134758), (1846, 112712), (1898, 109624), (2509, 82928), (3088, 67379), (3692, 56356), (3796, 54812), (5018, 41464), (5183, 40144), (7384, 28178), (7592, 27406), (10036, 20732), (10366, 20072), (13703, 15184), (14089, 14768)]