257910016

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11071}}^1$

素因数の和:11107

約数の個数: 72

約数和(自身を含む): 633672704

約数和(自身を除く): 375762688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11071, 11648, 22142, 23296, 44284, 77497, 88568, 143923, 154994, 177136, 287846, 309988, 354272, 575692, 619976, 708544, 1007461, 1151384, 1239952, 1417088, 2014922, 2302768, 2479904, 2834176, 4029844, 4605536, 4959808, 8059688, 9211072, 9919616, 16119376, 18422144, 19839232, 32238752, 36844288, 64477504, 128955008, 257910016]

約数ペア:

[(1, 257910016), (2, 128955008), (4, 64477504), (7, 36844288), (8, 32238752), (13, 19839232), (14, 18422144), (16, 16119376), (26, 9919616), (28, 9211072), (32, 8059688), (52, 4959808), (56, 4605536), (64, 4029844), (91, 2834176), (104, 2479904), (112, 2302768), (128, 2014922), (182, 1417088), (208, 1239952), (224, 1151384), (256, 1007461), (364, 708544), (416, 619976), (448, 575692), (728, 354272), (832, 309988), (896, 287846), (1456, 177136), (1664, 154994), (1792, 143923), (2912, 88568), (3328, 77497), (5824, 44284), (11071, 23296), (11648, 22142)]