138311348

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 282852864

約数和(自身を除く): 144541516

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 157, 292, 314, 431, 511, 628, 862, 1022, 1099, 1724, 2044, 2198, 3017, 4396, 6034, 11461, 12068, 22922, 31463, 45844, 62926, 67667, 80227, 125852, 135334, 160454, 220241, 270668, 320908, 440482, 473669, 880964, 947338, 1894676, 4939691, 9879382, 19758764, 34577837, 69155674, 138311348]

約数ペア:

[(1, 138311348), (2, 69155674), (4, 34577837), (7, 19758764), (14, 9879382), (28, 4939691), (73, 1894676), (146, 947338), (157, 880964), (292, 473669), (314, 440482), (431, 320908), (511, 270668), (628, 220241), (862, 160454), (1022, 135334), (1099, 125852), (1724, 80227), (2044, 67667), (2198, 62926), (3017, 45844), (4396, 31463), (6034, 22922), (11461, 12068)]