81225196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{2131}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 153359024

約数和(自身を除く): 72133828

約数列:

[1, 2, 4, 13, 26, 52, 733, 1466, 2131, 2932, 4262, 8524, 9529, 19058, 27703, 38116, 55406, 110812, 1562023, 3124046, 6248092, 20306299, 40612598, 81225196]

約数ペア:

[(1, 81225196), (2, 40612598), (4, 20306299), (13, 6248092), (26, 3124046), (52, 1562023), (733, 110812), (1466, 55406), (2131, 38116), (2932, 27703), (4262, 19058), (8524, 9529)]