157942772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 304139472

約数和(自身を除く): 146196700

約数列:

[1, 2, 4, 13, 26, 52, 97, 173, 181, 194, 346, 362, 388, 692, 724, 1261, 2249, 2353, 2522, 4498, 4706, 5044, 8996, 9412, 16781, 17557, 31313, 33562, 35114, 62626, 67124, 70228, 125252, 218153, 228241, 407069, 436306, 456482, 814138, 872612, 912964, 1628276, 3037361, 6074722, 12149444, 39485693, 78971386, 157942772]

約数ペア:

[(1, 157942772), (2, 78971386), (4, 39485693), (13, 12149444), (26, 6074722), (52, 3037361), (97, 1628276), (173, 912964), (181, 872612), (194, 814138), (346, 456482), (362, 436306), (388, 407069), (692, 228241), (724, 218153), (1261, 125252), (2249, 70228), (2353, 67124), (2522, 62626), (4498, 35114), (4706, 33562), (5044, 31313), (8996, 17557), (9412, 16781)]