649782016

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:718

約数の個数: 108

約数和(自身を含む): 1467780048

約数和(自身を除く): 817998032

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 169, 184, 208, 256, 299, 338, 368, 416, 598, 653, 676, 736, 832, 1196, 1306, 1352, 1472, 1664, 2392, 2612, 2704, 2944, 3328, 3887, 4784, 5224, 5408, 5888, 7774, 8489, 9568, 10448, 10816, 15019, 15548, 16978, 19136, 20896, 21632, 30038, 31096, 33956, 38272, 41792, 43264, 60076, 62192, 67912, 76544, 83584, 110357, 120152, 124384, 135824, 167168, 195247, 220714, 240304, 248768, 271648, 390494, 441428, 480608, 497536, 543296, 780988, 882856, 961216, 995072, 1086592, 1561976, 1765712, 1922432, 2173184, 2538211, 3123952, 3531424, 3844864, 5076422, 6247904, 7062848, 10152844, 12495808, 14125696, 20305688, 24991616, 28251392, 40611376, 49983232, 81222752, 162445504, 324891008, 649782016]

約数ペア:

[(1, 649782016), (2, 324891008), (4, 162445504), (8, 81222752), (13, 49983232), (16, 40611376), (23, 28251392), (26, 24991616), (32, 20305688), (46, 14125696), (52, 12495808), (64, 10152844), (92, 7062848), (104, 6247904), (128, 5076422), (169, 3844864), (184, 3531424), (208, 3123952), (256, 2538211), (299, 2173184), (338, 1922432), (368, 1765712), (416, 1561976), (598, 1086592), (653, 995072), (676, 961216), (736, 882856), (832, 780988), (1196, 543296), (1306, 497536), (1352, 480608), (1472, 441428), (1664, 390494), (2392, 271648), (2612, 248768), (2704, 240304), (2944, 220714), (3328, 195247), (3887, 167168), (4784, 135824), (5224, 124384), (5408, 120152), (5888, 110357), (7774, 83584), (8489, 76544), (9568, 67912), (10448, 62192), (10816, 60076), (15019, 43264), (15548, 41792), (16978, 38272), (19136, 33956), (20896, 31096), (21632, 30038)]