25122578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 43376256

約数和(自身を除く): 18253678

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 299, 559, 598, 977, 989, 1118, 1954, 1978, 12701, 12857, 22471, 25402, 25714, 42011, 44942, 84022, 292123, 546143, 584246, 966253, 1092286, 1932506, 12561289, 25122578]

約数ペア:

[(1, 25122578), (2, 12561289), (13, 1932506), (23, 1092286), (26, 966253), (43, 584246), (46, 546143), (86, 292123), (299, 84022), (559, 44942), (598, 42011), (977, 25714), (989, 25402), (1118, 22471), (1954, 12857), (1978, 12701)]