2991872

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 6867840

約数和(自身を除く): 3875968

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 32, 52, 58, 62, 64, 104, 116, 124, 128, 208, 232, 248, 256, 377, 403, 416, 464, 496, 754, 806, 832, 899, 928, 992, 1508, 1612, 1664, 1798, 1856, 1984, 3016, 3224, 3328, 3596, 3712, 3968, 6032, 6448, 7192, 7424, 7936, 11687, 12064, 12896, 14384, 23374, 24128, 25792, 28768, 46748, 48256, 51584, 57536, 93496, 96512, 103168, 115072, 186992, 230144, 373984, 747968, 1495936, 2991872]

約数ペア:

[(1, 2991872), (2, 1495936), (4, 747968), (8, 373984), (13, 230144), (16, 186992), (26, 115072), (29, 103168), (31, 96512), (32, 93496), (52, 57536), (58, 51584), (62, 48256), (64, 46748), (104, 28768), (116, 25792), (124, 24128), (128, 23374), (208, 14384), (232, 12896), (248, 12064), (256, 11687), (377, 7936), (403, 7424), (416, 7192), (464, 6448), (496, 6032), (754, 3968), (806, 3712), (832, 3596), (899, 3328), (928, 3224), (992, 3016), (1508, 1984), (1612, 1856), (1664, 1798)]