142180129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 187971840

約数和(自身を除く): 45791711

約数列:

[1, 7, 13, 17, 73, 91, 119, 221, 511, 949, 1241, 1259, 1547, 6643, 8687, 8813, 16133, 16367, 21403, 91907, 112931, 114569, 149821, 278239, 643349, 1194791, 1562419, 1947673, 8363537, 10936933, 20311447, 142180129]

約数ペア:

[(1, 142180129), (7, 20311447), (13, 10936933), (17, 8363537), (73, 1947673), (91, 1562419), (119, 1194791), (221, 643349), (511, 278239), (949, 149821), (1241, 114569), (1259, 112931), (1547, 91907), (6643, 21403), (8687, 16367), (8813, 16133)]