1800642688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 128

約数和(自身を含む): 4055063040

約数和(自身を除く): 2254420352

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 67, 104, 124, 128, 134, 208, 248, 268, 403, 416, 496, 521, 536, 806, 832, 871, 992, 1042, 1072, 1612, 1664, 1742, 1984, 2077, 2084, 2144, 3224, 3484, 3968, 4154, 4168, 4288, 6448, 6773, 6968, 8308, 8336, 8576, 12896, 13546, 13936, 16151, 16616, 16672, 25792, 27001, 27092, 27872, 32302, 33232, 33344, 34907, 51584, 54002, 54184, 55744, 64604, 66464, 66688, 69814, 108004, 108368, 111488, 129208, 132928, 139628, 209963, 216008, 216736, 258416, 265856, 279256, 419926, 432016, 433472, 453791, 516832, 558512, 839852, 864032, 866944, 907582, 1033664, 1082117, 1117024, 1679704, 1728064, 1815164, 2067328, 2164234, 2234048, 3359408, 3456128, 3630328, 4328468, 4468096, 6718816, 7260656, 8656936, 13437632, 14067521, 14521312, 17313872, 26875264, 28135042, 29042624, 34627744, 56270084, 58085248, 69255488, 112540168, 138510976, 225080336, 450160672, 900321344, 1800642688]

約数ペア:

[(1, 1800642688), (2, 900321344), (4, 450160672), (8, 225080336), (13, 138510976), (16, 112540168), (26, 69255488), (31, 58085248), (32, 56270084), (52, 34627744), (62, 29042624), (64, 28135042), (67, 26875264), (104, 17313872), (124, 14521312), (128, 14067521), (134, 13437632), (208, 8656936), (248, 7260656), (268, 6718816), (403, 4468096), (416, 4328468), (496, 3630328), (521, 3456128), (536, 3359408), (806, 2234048), (832, 2164234), (871, 2067328), (992, 1815164), (1042, 1728064), (1072, 1679704), (1612, 1117024), (1664, 1082117), (1742, 1033664), (1984, 907582), (2077, 866944), (2084, 864032), (2144, 839852), (3224, 558512), (3484, 516832), (3968, 453791), (4154, 433472), (4168, 432016), (4288, 419926), (6448, 279256), (6773, 265856), (6968, 258416), (8308, 216736), (8336, 216008), (8576, 209963), (12896, 139628), (13546, 132928), (13936, 129208), (16151, 111488), (16616, 108368), (16672, 108004), (25792, 69814), (27001, 66688), (27092, 66464), (27872, 64604), (32302, 55744), (33232, 54184), (33344, 54002), (34907, 51584)]