81646782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{5507}}^1$

素因数の和:5872

約数の個数: 32

約数和(自身を含む): 187183872

約数和(自身を除く): 105537090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 353, 706, 1059, 2118, 2471, 4942, 5507, 7413, 11014, 14826, 16521, 33042, 38549, 77098, 115647, 231294, 1943971, 3887942, 5831913, 11663826, 13607797, 27215594, 40823391, 81646782]

約数ペア:

[(1, 81646782), (2, 40823391), (3, 27215594), (6, 13607797), (7, 11663826), (14, 5831913), (21, 3887942), (42, 1943971), (353, 231294), (706, 115647), (1059, 77098), (2118, 38549), (2471, 33042), (4942, 16521), (5507, 14826), (7413, 11014)]