498495872

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 1189140480

約数和(自身を除く): 690644608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 131, 137, 217, 224, 248, 262, 274, 434, 448, 496, 524, 548, 868, 896, 917, 959, 992, 1048, 1096, 1736, 1834, 1918, 1984, 2096, 2192, 3472, 3668, 3836, 3968, 4061, 4192, 4247, 4384, 6944, 7336, 7672, 8122, 8384, 8494, 8768, 13888, 14672, 15344, 16244, 16768, 16988, 17536, 17947, 27776, 28427, 29344, 29729, 30688, 32488, 33976, 35894, 56854, 58688, 59458, 61376, 64976, 67952, 71788, 113708, 117376, 118916, 122752, 125629, 129952, 135904, 143576, 227416, 237832, 251258, 259904, 271808, 287152, 454832, 475664, 502516, 519808, 543616, 556357, 574304, 909664, 951328, 1005032, 1112714, 1148608, 1819328, 1902656, 2010064, 2225428, 2297216, 3638656, 3805312, 3894499, 4020128, 4450856, 7788998, 8040256, 8901712, 15577996, 16080512, 17803424, 31155992, 35606848, 62311984, 71213696, 124623968, 249247936, 498495872]

約数ペア:

[(1, 498495872), (2, 249247936), (4, 124623968), (7, 71213696), (8, 62311984), (14, 35606848), (16, 31155992), (28, 17803424), (31, 16080512), (32, 15577996), (56, 8901712), (62, 8040256), (64, 7788998), (112, 4450856), (124, 4020128), (128, 3894499), (131, 3805312), (137, 3638656), (217, 2297216), (224, 2225428), (248, 2010064), (262, 1902656), (274, 1819328), (434, 1148608), (448, 1112714), (496, 1005032), (524, 951328), (548, 909664), (868, 574304), (896, 556357), (917, 543616), (959, 519808), (992, 502516), (1048, 475664), (1096, 454832), (1736, 287152), (1834, 271808), (1918, 259904), (1984, 251258), (2096, 237832), (2192, 227416), (3472, 143576), (3668, 135904), (3836, 129952), (3968, 125629), (4061, 122752), (4192, 118916), (4247, 117376), (4384, 113708), (6944, 71788), (7336, 67952), (7672, 64976), (8122, 61376), (8384, 59458), (8494, 58688), (8768, 56854), (13888, 35894), (14672, 33976), (15344, 32488), (16244, 30688), (16768, 29729), (16988, 29344), (17536, 28427), (17947, 27776)]