81980556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42433}}^1$

素因数の和:42470

約数の個数: 48

約数和(自身を含む): 228125184

約数和(自身を除く): 146144628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 42433, 84866, 127299, 169732, 254598, 297031, 509196, 594062, 891093, 975959, 1188124, 1782186, 1951918, 2927877, 3564372, 3903836, 5855754, 6831713, 11711508, 13663426, 20495139, 27326852, 40990278, 81980556]

約数ペア:

[(1, 81980556), (2, 40990278), (3, 27326852), (4, 20495139), (6, 13663426), (7, 11711508), (12, 6831713), (14, 5855754), (21, 3903836), (23, 3564372), (28, 2927877), (42, 1951918), (46, 1782186), (69, 1188124), (84, 975959), (92, 891093), (138, 594062), (161, 509196), (276, 297031), (322, 254598), (483, 169732), (644, 127299), (966, 84866), (1932, 42433)]