161657188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16984

約数の個数: 48

約数和(自身を含む): 364105728

約数和(自身を除く): 202448540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 16931, 33862, 67724, 118517, 186241, 237034, 372482, 474068, 524861, 744964, 1049722, 1303687, 2099444, 2607374, 3674027, 5214748, 5773471, 7348054, 11546942, 14696108, 23093884, 40414297, 80828594, 161657188]

約数ペア:

[(1, 161657188), (2, 80828594), (4, 40414297), (7, 23093884), (11, 14696108), (14, 11546942), (22, 7348054), (28, 5773471), (31, 5214748), (44, 3674027), (62, 2607374), (77, 2099444), (124, 1303687), (154, 1049722), (217, 744964), (308, 524861), (341, 474068), (434, 372482), (682, 237034), (868, 186241), (1364, 118517), (2387, 67724), (4774, 33862), (9548, 16931)]