291235904

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1243

約数の個数: 56

約数和(自身を含む): 598005408

約数和(自身を除く): 306769504

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 172, 194, 344, 388, 688, 776, 1091, 1376, 1552, 2182, 2752, 3104, 4171, 4364, 6208, 8342, 8728, 16684, 17456, 33368, 34912, 46913, 66736, 69824, 93826, 105827, 133472, 187652, 211654, 266944, 375304, 423308, 750608, 846616, 1501216, 1693232, 3002432, 3386464, 4550561, 6772928, 9101122, 18202244, 36404488, 72808976, 145617952, 291235904]

約数ペア:

[(1, 291235904), (2, 145617952), (4, 72808976), (8, 36404488), (16, 18202244), (32, 9101122), (43, 6772928), (64, 4550561), (86, 3386464), (97, 3002432), (172, 1693232), (194, 1501216), (344, 846616), (388, 750608), (688, 423308), (776, 375304), (1091, 266944), (1376, 211654), (1552, 187652), (2182, 133472), (2752, 105827), (3104, 93826), (4171, 69824), (4364, 66736), (6208, 46913), (8342, 34912), (8728, 33368), (16684, 17456)]