391870976

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2141

約数の個数: 80

約数和(自身を含む): 912155904

約数和(自身を除く): 520284928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 512, 742, 848, 896, 1484, 1696, 1792, 2063, 2968, 3392, 3584, 4126, 5936, 6784, 8252, 11872, 13568, 14441, 16504, 23744, 27136, 28882, 33008, 47488, 57764, 66016, 94976, 109339, 115528, 132032, 189952, 218678, 231056, 264064, 437356, 462112, 528128, 765373, 874712, 924224, 1056256, 1530746, 1749424, 1848448, 3061492, 3498848, 3696896, 6122984, 6997696, 7393792, 12245968, 13995392, 24491936, 27990784, 48983872, 55981568, 97967744, 195935488, 391870976]

約数ペア:

[(1, 391870976), (2, 195935488), (4, 97967744), (7, 55981568), (8, 48983872), (14, 27990784), (16, 24491936), (28, 13995392), (32, 12245968), (53, 7393792), (56, 6997696), (64, 6122984), (106, 3696896), (112, 3498848), (128, 3061492), (212, 1848448), (224, 1749424), (256, 1530746), (371, 1056256), (424, 924224), (448, 874712), (512, 765373), (742, 528128), (848, 462112), (896, 437356), (1484, 264064), (1696, 231056), (1792, 218678), (2063, 189952), (2968, 132032), (3392, 115528), (3584, 109339), (4126, 94976), (5936, 66016), (6784, 57764), (8252, 47488), (11872, 33008), (13568, 28882), (14441, 27136), (16504, 23744)]