81988088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112621}}^1$

素因数の和:112647

約数の個数: 32

約数和(自身を含む): 189204960

約数和(自身を除く): 107216872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112621, 225242, 450484, 788347, 900968, 1464073, 1576694, 2928146, 3153388, 5856292, 6306776, 10248511, 11712584, 20497022, 40994044, 81988088]

約数ペア:

[(1, 81988088), (2, 40994044), (4, 20497022), (7, 11712584), (8, 10248511), (13, 6306776), (14, 5856292), (26, 3153388), (28, 2928146), (52, 1576694), (56, 1464073), (91, 900968), (104, 788347), (182, 450484), (364, 225242), (728, 112621)]