42339986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 71318016

約数和(自身を除く): 28978030

約数列:

[1, 2, 13, 26, 31, 62, 131, 262, 401, 403, 802, 806, 1703, 3406, 4061, 5213, 8122, 10426, 12431, 24862, 52531, 52793, 105062, 105586, 161603, 323206, 682903, 1365806, 1628461, 3256922, 21169993, 42339986]

約数ペア:

[(1, 42339986), (2, 21169993), (13, 3256922), (26, 1628461), (31, 1365806), (62, 682903), (131, 323206), (262, 161603), (401, 105586), (403, 105062), (802, 52793), (806, 52531), (1703, 24862), (3406, 12431), (4061, 10426), (5213, 8122)]