164878168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 408038400

約数和(自身を除く): 243160232

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 43, 46, 52, 56, 86, 91, 92, 104, 161, 172, 182, 184, 229, 299, 301, 322, 344, 364, 458, 559, 598, 602, 644, 728, 916, 989, 1118, 1196, 1204, 1288, 1603, 1832, 1978, 2093, 2236, 2392, 2408, 2977, 3206, 3913, 3956, 4186, 4472, 5267, 5954, 6412, 6923, 7826, 7912, 8372, 9847, 10534, 11908, 12824, 12857, 13846, 15652, 16744, 19694, 20839, 21068, 23816, 25714, 27692, 31304, 36869, 39388, 41678, 42136, 51428, 55384, 68471, 68929, 73738, 78776, 83356, 89999, 102856, 128011, 136942, 137858, 147476, 166712, 179998, 226481, 256022, 273884, 275716, 294952, 359996, 452962, 479297, 512044, 547768, 551432, 719992, 896077, 905924, 958594, 1024088, 1585367, 1792154, 1811848, 1917188, 2944253, 3170734, 3584308, 3834376, 5888506, 6341468, 7168616, 11777012, 12682936, 20609771, 23554024, 41219542, 82439084, 164878168]

約数ペア:

[(1, 164878168), (2, 82439084), (4, 41219542), (7, 23554024), (8, 20609771), (13, 12682936), (14, 11777012), (23, 7168616), (26, 6341468), (28, 5888506), (43, 3834376), (46, 3584308), (52, 3170734), (56, 2944253), (86, 1917188), (91, 1811848), (92, 1792154), (104, 1585367), (161, 1024088), (172, 958594), (182, 905924), (184, 896077), (229, 719992), (299, 551432), (301, 547768), (322, 512044), (344, 479297), (364, 452962), (458, 359996), (559, 294952), (598, 275716), (602, 273884), (644, 256022), (728, 226481), (916, 179998), (989, 166712), (1118, 147476), (1196, 137858), (1204, 136942), (1288, 128011), (1603, 102856), (1832, 89999), (1978, 83356), (2093, 78776), (2236, 73738), (2392, 68929), (2408, 68471), (2977, 55384), (3206, 51428), (3913, 42136), (3956, 41678), (4186, 39388), (4472, 36869), (5267, 31304), (5954, 27692), (6412, 25714), (6923, 23816), (7826, 21068), (7912, 20839), (8372, 19694), (9847, 16744), (10534, 15652), (11908, 13846), (12824, 12857)]