90367291

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 113564160

約数和(自身を除く): 23196869

約数列:

[1, 7, 17, 59, 61, 119, 211, 413, 427, 1003, 1037, 1477, 3587, 3599, 7021, 7259, 12449, 12871, 25109, 25193, 61183, 87143, 90097, 211633, 218807, 428281, 759389, 1481431, 1531649, 5315723, 12909613, 90367291]

約数ペア:

[(1, 90367291), (7, 12909613), (17, 5315723), (59, 1531649), (61, 1481431), (119, 759389), (211, 428281), (413, 218807), (427, 211633), (1003, 90097), (1037, 87143), (1477, 61183), (3587, 25193), (3599, 25109), (7021, 12871), (7259, 12449)]