81573726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2897}}^1$

素因数の和:2953

約数の個数: 48

約数和(自身を含む): 185495184

約数和(自身を除く): 103921458

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 741, 1083, 1482, 2166, 2897, 4693, 5794, 8691, 9386, 14079, 17382, 28158, 37661, 55043, 75322, 110086, 112983, 165129, 225966, 330258, 715559, 1045817, 1431118, 2091634, 2146677, 3137451, 4293354, 6274902, 13595621, 27191242, 40786863, 81573726]

約数ペア:

[(1, 81573726), (2, 40786863), (3, 27191242), (6, 13595621), (13, 6274902), (19, 4293354), (26, 3137451), (38, 2146677), (39, 2091634), (57, 1431118), (78, 1045817), (114, 715559), (247, 330258), (361, 225966), (494, 165129), (722, 112983), (741, 110086), (1083, 75322), (1482, 55043), (2166, 37661), (2897, 28158), (4693, 17382), (5794, 14079), (8691, 9386)]