81023828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{1949}}^1$

素因数の和:2519

約数の個数: 24

約数和(自身を含む): 149604000

約数和(自身を除く): 68580172

約数列:

[1, 2, 4, 19, 38, 76, 547, 1094, 1949, 2188, 3898, 7796, 10393, 20786, 37031, 41572, 74062, 148124, 1066103, 2132206, 4264412, 20255957, 40511914, 81023828]

約数ペア:

[(1, 81023828), (2, 40511914), (4, 20255957), (19, 4264412), (38, 2132206), (76, 1066103), (547, 148124), (1094, 74062), (1949, 41572), (2188, 37031), (3898, 20786), (7796, 10393)]