13209728

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 31432320

約数和(自身を除く): 18222592

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 641, 644, 736, 896, 1282, 1288, 1472, 2564, 2576, 2944, 4487, 5128, 5152, 8974, 10256, 10304, 14743, 17948, 20512, 20608, 29486, 35896, 41024, 58972, 71792, 82048, 103201, 117944, 143584, 206402, 235888, 287168, 412804, 471776, 574336, 825608, 943552, 1651216, 1887104, 3302432, 6604864, 13209728]

約数ペア:

[(1, 13209728), (2, 6604864), (4, 3302432), (7, 1887104), (8, 1651216), (14, 943552), (16, 825608), (23, 574336), (28, 471776), (32, 412804), (46, 287168), (56, 235888), (64, 206402), (92, 143584), (112, 117944), (128, 103201), (161, 82048), (184, 71792), (224, 58972), (322, 41024), (368, 35896), (448, 29486), (641, 20608), (644, 20512), (736, 17948), (896, 14743), (1282, 10304), (1288, 10256), (1472, 8974), (2564, 5152), (2576, 5128), (2944, 4487)]