219604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 516096

約数和(自身を除く): 296492

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 31, 44, 46, 62, 77, 92, 124, 154, 161, 217, 253, 308, 322, 341, 434, 506, 644, 682, 713, 868, 1012, 1364, 1426, 1771, 2387, 2852, 3542, 4774, 4991, 7084, 7843, 9548, 9982, 15686, 19964, 31372, 54901, 109802, 219604]

約数ペア:

[(1, 219604), (2, 109802), (4, 54901), (7, 31372), (11, 19964), (14, 15686), (22, 9982), (23, 9548), (28, 7843), (31, 7084), (44, 4991), (46, 4774), (62, 3542), (77, 2852), (92, 2387), (124, 1771), (154, 1426), (161, 1364), (217, 1012), (253, 868), (308, 713), (322, 682), (341, 644), (434, 506)]