16881568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 36590400

約数和(自身を除く): 19708832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 241, 352, 398, 482, 796, 964, 1592, 1928, 2189, 2651, 3184, 3856, 4378, 5302, 6368, 7712, 8756, 10604, 17512, 21208, 35024, 42416, 47959, 70048, 84832, 95918, 191836, 383672, 527549, 767344, 1055098, 1534688, 2110196, 4220392, 8440784, 16881568]

約数ペア:

[(1, 16881568), (2, 8440784), (4, 4220392), (8, 2110196), (11, 1534688), (16, 1055098), (22, 767344), (32, 527549), (44, 383672), (88, 191836), (176, 95918), (199, 84832), (241, 70048), (352, 47959), (398, 42416), (482, 35024), (796, 21208), (964, 17512), (1592, 10604), (1928, 8756), (2189, 7712), (2651, 6368), (3184, 5302), (3856, 4378)]