208031212

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 385596288

約数和(自身を除く): 177565076

約数列:

[1, 2, 4, 41, 47, 82, 94, 137, 164, 188, 197, 274, 394, 548, 788, 1927, 3854, 5617, 6439, 7708, 8077, 9259, 11234, 12878, 16154, 18518, 22468, 25756, 26989, 32308, 37036, 53978, 107956, 263999, 379619, 527998, 759238, 1055996, 1106549, 1268483, 1518476, 2213098, 2536966, 4426196, 5073932, 52007803, 104015606, 208031212]

約数ペア:

[(1, 208031212), (2, 104015606), (4, 52007803), (41, 5073932), (47, 4426196), (82, 2536966), (94, 2213098), (137, 1518476), (164, 1268483), (188, 1106549), (197, 1055996), (274, 759238), (394, 527998), (548, 379619), (788, 263999), (1927, 107956), (3854, 53978), (5617, 37036), (6439, 32308), (7708, 26989), (8077, 25756), (9259, 22468), (11234, 18518), (12878, 16154)]