258149648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 542108160

約数和(自身を除く): 283958512

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 131, 137, 232, 248, 262, 274, 464, 496, 524, 548, 899, 1048, 1096, 1798, 2096, 2192, 3596, 3799, 3973, 4061, 4247, 7192, 7598, 7946, 8122, 8494, 14384, 15196, 15892, 16244, 16988, 17947, 30392, 31784, 32488, 33976, 35894, 60784, 63568, 64976, 67952, 71788, 117769, 123163, 143576, 235538, 246326, 287152, 471076, 492652, 520463, 556357, 942152, 985304, 1040926, 1112714, 1884304, 1970608, 2081852, 2225428, 4163704, 4450856, 8327408, 8901712, 16134353, 32268706, 64537412, 129074824, 258149648]

約数ペア:

[(1, 258149648), (2, 129074824), (4, 64537412), (8, 32268706), (16, 16134353), (29, 8901712), (31, 8327408), (58, 4450856), (62, 4163704), (116, 2225428), (124, 2081852), (131, 1970608), (137, 1884304), (232, 1112714), (248, 1040926), (262, 985304), (274, 942152), (464, 556357), (496, 520463), (524, 492652), (548, 471076), (899, 287152), (1048, 246326), (1096, 235538), (1798, 143576), (2096, 123163), (2192, 117769), (3596, 71788), (3799, 67952), (3973, 64976), (4061, 63568), (4247, 60784), (7192, 35894), (7598, 33976), (7946, 32488), (8122, 31784), (8494, 30392), (14384, 17947), (15196, 16988), (15892, 16244)]