81738236

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 144864720

約数和(自身を除く): 63126484

約数列:

[1, 2, 4, 131, 262, 389, 401, 524, 778, 802, 1556, 1604, 50959, 52531, 101918, 105062, 155989, 203836, 210124, 311978, 623956, 20434559, 40869118, 81738236]

約数ペア:

[(1, 81738236), (2, 40869118), (4, 20434559), (131, 623956), (262, 311978), (389, 210124), (401, 203836), (524, 155989), (778, 105062), (802, 101918), (1556, 52531), (1604, 50959)]