1638822016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{33961}}^1$

素因数の和:34017

約数の個数: 64

約数和(自身を含む): 3637330200

約数和(自身を除く): 1998508184

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 377, 416, 464, 754, 832, 928, 1508, 1664, 1856, 3016, 3712, 6032, 12064, 24128, 33961, 48256, 67922, 135844, 271688, 441493, 543376, 882986, 984869, 1086752, 1765972, 1969738, 2173504, 3531944, 3939476, 4347008, 7063888, 7878952, 12803297, 14127776, 15757904, 25606594, 28255552, 31515808, 51213188, 56511104, 63031616, 102426376, 126063232, 204852752, 409705504, 819411008, 1638822016]

約数ペア:

[(1, 1638822016), (2, 819411008), (4, 409705504), (8, 204852752), (13, 126063232), (16, 102426376), (26, 63031616), (29, 56511104), (32, 51213188), (52, 31515808), (58, 28255552), (64, 25606594), (104, 15757904), (116, 14127776), (128, 12803297), (208, 7878952), (232, 7063888), (377, 4347008), (416, 3939476), (464, 3531944), (754, 2173504), (832, 1969738), (928, 1765972), (1508, 1086752), (1664, 984869), (1856, 882986), (3016, 543376), (3712, 441493), (6032, 271688), (12064, 135844), (24128, 67922), (33961, 48256)]