1277990919915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1231}}^1\times {\mathrm{4651}}^1$

素因数の和:6560

約数の個数: 64

約数和(自身を含む): 2139182825472

約数和(自身を除く): 861191905557

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 647, 1231, 1941, 3235, 3693, 4651, 6155, 9705, 13953, 14881, 18465, 23255, 28313, 44643, 69765, 74405, 84939, 106973, 141565, 223215, 320919, 424695, 534865, 796457, 1604595, 2389371, 3009197, 3982285, 5725381, 9027591, 11946855, 15045985, 17176143, 18318511, 28626905, 45137955, 54955533, 69211531, 85880715, 91592555, 131683763, 207634593, 274777665, 346057655, 395051289, 658418815, 1038172965, 1975256445, 3704321507, 11112964521, 18521607535, 55564822605, 85199394661, 255598183983, 425996973305, 1277990919915]

約数ペア:

[(1, 1277990919915), (3, 425996973305), (5, 255598183983), (15, 85199394661), (23, 55564822605), (69, 18521607535), (115, 11112964521), (345, 3704321507), (647, 1975256445), (1231, 1038172965), (1941, 658418815), (3235, 395051289), (3693, 346057655), (4651, 274777665), (6155, 207634593), (9705, 131683763), (13953, 91592555), (14881, 85880715), (18465, 69211531), (23255, 54955533), (28313, 45137955), (44643, 28626905), (69765, 18318511), (74405, 17176143), (84939, 15045985), (106973, 11946855), (141565, 9027591), (223215, 5725381), (320919, 3982285), (424695, 3009197), (534865, 2389371), (796457, 1604595)]