38865978

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 89841960

約数和(自身を除く): 50975982

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 157, 306, 314, 471, 809, 942, 1413, 1618, 2427, 2669, 2826, 4854, 5338, 7281, 8007, 13753, 14562, 16014, 24021, 27506, 41259, 48042, 82518, 123777, 127013, 247554, 254026, 381039, 762078, 1143117, 2159221, 2286234, 4318442, 6477663, 12955326, 19432989, 38865978]

約数ペア:

[(1, 38865978), (2, 19432989), (3, 12955326), (6, 6477663), (9, 4318442), (17, 2286234), (18, 2159221), (34, 1143117), (51, 762078), (102, 381039), (153, 254026), (157, 247554), (306, 127013), (314, 123777), (471, 82518), (809, 48042), (942, 41259), (1413, 27506), (1618, 24021), (2427, 16014), (2669, 14562), (2826, 13753), (4854, 8007), (5338, 7281)]