261229952

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 549698400

約数和(自身を除く): 288468448

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 356, 368, 712, 736, 997, 1424, 1472, 1994, 2047, 2848, 2944, 3988, 4094, 5696, 7976, 8188, 11392, 15952, 16376, 22931, 31904, 32752, 45862, 63808, 65504, 88733, 91724, 127616, 131008, 177466, 183448, 262016, 354932, 366896, 709864, 733792, 1419728, 1467584, 2040859, 2839456, 2935168, 4081718, 5678912, 8163436, 11357824, 16326872, 32653744, 65307488, 130614976, 261229952]

約数ペア:

[(1, 261229952), (2, 130614976), (4, 65307488), (8, 32653744), (16, 16326872), (23, 11357824), (32, 8163436), (46, 5678912), (64, 4081718), (89, 2935168), (92, 2839456), (128, 2040859), (178, 1467584), (184, 1419728), (356, 733792), (368, 709864), (712, 366896), (736, 354932), (997, 262016), (1424, 183448), (1472, 177466), (1994, 131008), (2047, 127616), (2848, 91724), (2944, 88733), (3988, 65504), (4094, 63808), (5696, 45862), (7976, 32752), (8188, 31904), (11392, 22931), (15952, 16376)]