28711532

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 51097200

約数和(自身を除く): 22385668

約数列:

[1, 2, 4, 131, 157, 262, 314, 349, 524, 628, 698, 1396, 20567, 41134, 45719, 54793, 82268, 91438, 109586, 182876, 219172, 7177883, 14355766, 28711532]

約数ペア:

[(1, 28711532), (2, 14355766), (4, 7177883), (131, 219172), (157, 182876), (262, 109586), (314, 91438), (349, 82268), (524, 54793), (628, 45719), (698, 41134), (1396, 20567)]