311986688

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2517

約数の個数: 80

約数和(自身を含む): 706933920

約数和(自身を除く): 394947232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 832, 988, 1216, 1664, 1976, 2432, 2467, 3328, 3952, 4864, 4934, 6656, 7904, 9728, 9868, 15808, 19736, 31616, 32071, 39472, 46873, 63232, 64142, 78944, 93746, 126464, 128284, 157888, 187492, 256568, 315776, 374984, 513136, 609349, 631552, 749968, 1026272, 1218698, 1263104, 1499936, 2052544, 2437396, 2999872, 4105088, 4874792, 5999744, 8210176, 9749584, 11999488, 16420352, 19499168, 23998976, 38998336, 77996672, 155993344, 311986688]

約数ペア:

[(1, 311986688), (2, 155993344), (4, 77996672), (8, 38998336), (13, 23998976), (16, 19499168), (19, 16420352), (26, 11999488), (32, 9749584), (38, 8210176), (52, 5999744), (64, 4874792), (76, 4105088), (104, 2999872), (128, 2437396), (152, 2052544), (208, 1499936), (247, 1263104), (256, 1218698), (304, 1026272), (416, 749968), (494, 631552), (512, 609349), (608, 513136), (832, 374984), (988, 315776), (1216, 256568), (1664, 187492), (1976, 157888), (2432, 128284), (2467, 126464), (3328, 93746), (3952, 78944), (4864, 64142), (4934, 63232), (6656, 46873), (7904, 39472), (9728, 32071), (9868, 31616), (15808, 19736)]