1640744512

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{211873}}^1$

素因数の和:211907

約数の個数: 42

約数和(自身を含む): 3578763734

約数和(自身を除く): 1938019222

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 3872, 7744, 211873, 423746, 847492, 1694984, 2330603, 3389968, 4661206, 6779936, 9322412, 13559872, 18644824, 25636633, 37289648, 51273266, 74579296, 102546532, 149158592, 205093064, 410186128, 820372256, 1640744512]

約数ペア:

[(1, 1640744512), (2, 820372256), (4, 410186128), (8, 205093064), (11, 149158592), (16, 102546532), (22, 74579296), (32, 51273266), (44, 37289648), (64, 25636633), (88, 18644824), (121, 13559872), (176, 9322412), (242, 6779936), (352, 4661206), (484, 3389968), (704, 2330603), (968, 1694984), (1936, 847492), (3872, 423746), (7744, 211873)]