81218696

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{4621}}^1$

素因数の和:4666

約数の個数: 32

約数和(自身を含む): 165005400

約数和(自身を除く): 83786704

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 2197, 4394, 4621, 8788, 9242, 17576, 18484, 36968, 60073, 120146, 240292, 480584, 780949, 1561898, 3123796, 6247592, 10152337, 20304674, 40609348, 81218696]

約数ペア:

[(1, 81218696), (2, 40609348), (4, 20304674), (8, 10152337), (13, 6247592), (26, 3123796), (52, 1561898), (104, 780949), (169, 480584), (338, 240292), (676, 120146), (1352, 60073), (2197, 36968), (4394, 18484), (4621, 17576), (8788, 9242)]