820846208

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3762

約数の個数: 128

約数和(自身を含む): 2119152000

約数和(自身を除く): 1298305792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1456, 1664, 1729, 1976, 2128, 2432, 2912, 3458, 3709, 3952, 4256, 5824, 6916, 7418, 7904, 8512, 11648, 13832, 14836, 15808, 17024, 25963, 27664, 29672, 31616, 48217, 51926, 55328, 59344, 70471, 96434, 103852, 110656, 118688, 140942, 192868, 207704, 221312, 237376, 281884, 337519, 385736, 415408, 474752, 493297, 563768, 675038, 771472, 830816, 916123, 986594, 1127536, 1350076, 1542944, 1661632, 1832246, 1973188, 2255072, 2700152, 3085888, 3323264, 3664492, 3946376, 4510144, 5400304, 6171776, 6412861, 7328984, 7892752, 9020288, 10800608, 12825722, 14657968, 15785504, 21601216, 25651444, 29315936, 31571008, 43202432, 51302888, 58631872, 63142016, 102605776, 117263744, 205211552, 410423104, 820846208]

約数ペア:

[(1, 820846208), (2, 410423104), (4, 205211552), (7, 117263744), (8, 102605776), (13, 63142016), (14, 58631872), (16, 51302888), (19, 43202432), (26, 31571008), (28, 29315936), (32, 25651444), (38, 21601216), (52, 15785504), (56, 14657968), (64, 12825722), (76, 10800608), (91, 9020288), (104, 7892752), (112, 7328984), (128, 6412861), (133, 6171776), (152, 5400304), (182, 4510144), (208, 3946376), (224, 3664492), (247, 3323264), (266, 3085888), (304, 2700152), (364, 2255072), (416, 1973188), (448, 1832246), (494, 1661632), (532, 1542944), (608, 1350076), (728, 1127536), (832, 986594), (896, 916123), (988, 830816), (1064, 771472), (1216, 675038), (1456, 563768), (1664, 493297), (1729, 474752), (1976, 415408), (2128, 385736), (2432, 337519), (2912, 281884), (3458, 237376), (3709, 221312), (3952, 207704), (4256, 192868), (5824, 140942), (6916, 118688), (7418, 110656), (7904, 103852), (8512, 96434), (11648, 70471), (13832, 59344), (14836, 55328), (15808, 51926), (17024, 48217), (25963, 31616), (27664, 29672)]