209521728

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3146

約数の個数: 140

約数和(自身を含む): 669079180

約数和(自身を除く): 459557452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1248, 1296, 1404, 1728, 1872, 2106, 2496, 2592, 2808, 3109, 3744, 4212, 5184, 5616, 6218, 7488, 8424, 9327, 11232, 12436, 16848, 18654, 22464, 24872, 27981, 33696, 37308, 40417, 49744, 55962, 67392, 74616, 80834, 83943, 99488, 111924, 121251, 149232, 161668, 167886, 198976, 223848, 242502, 251829, 298464, 323336, 335772, 363753, 447696, 485004, 503658, 596928, 646672, 671544, 727506, 895392, 970008, 1007316, 1091259, 1293344, 1343088, 1455012, 1790784, 1940016, 2014632, 2182518, 2586688, 2686176, 2910024, 3273777, 3880032, 4029264, 4365036, 5372352, 5820048, 6547554, 7760064, 8058528, 8730072, 11640096, 13095108, 16117056, 17460144, 23280192, 26190216, 34920288, 52380432, 69840576, 104760864, 209521728]

約数ペア:

[(1, 209521728), (2, 104760864), (3, 69840576), (4, 52380432), (6, 34920288), (8, 26190216), (9, 23280192), (12, 17460144), (13, 16117056), (16, 13095108), (18, 11640096), (24, 8730072), (26, 8058528), (27, 7760064), (32, 6547554), (36, 5820048), (39, 5372352), (48, 4365036), (52, 4029264), (54, 3880032), (64, 3273777), (72, 2910024), (78, 2686176), (81, 2586688), (96, 2182518), (104, 2014632), (108, 1940016), (117, 1790784), (144, 1455012), (156, 1343088), (162, 1293344), (192, 1091259), (208, 1007316), (216, 970008), (234, 895392), (288, 727506), (312, 671544), (324, 646672), (351, 596928), (416, 503658), (432, 485004), (468, 447696), (576, 363753), (624, 335772), (648, 323336), (702, 298464), (832, 251829), (864, 242502), (936, 223848), (1053, 198976), (1248, 167886), (1296, 161668), (1404, 149232), (1728, 121251), (1872, 111924), (2106, 99488), (2496, 83943), (2592, 80834), (2808, 74616), (3109, 67392), (3744, 55962), (4212, 49744), (5184, 40417), (5616, 37308), (6218, 33696), (7488, 27981), (8424, 24872), (9327, 22464), (11232, 18654), (12436, 16848)]