40278978

素因数分解:

$2^1\times 3^3\times {\mathrm{157}}^1\times {\mathrm{4751}}^1$

素因数の和:4919

約数の個数: 32

約数和(自身を含む): 90097920

約数和(自身を除く): 49818942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 157, 314, 471, 942, 1413, 2826, 4239, 4751, 8478, 9502, 14253, 28506, 42759, 85518, 128277, 256554, 745907, 1491814, 2237721, 4475442, 6713163, 13426326, 20139489, 40278978]

約数ペア:

[(1, 40278978), (2, 20139489), (3, 13426326), (6, 6713163), (9, 4475442), (18, 2237721), (27, 1491814), (54, 745907), (157, 256554), (314, 128277), (471, 85518), (942, 42759), (1413, 28506), (2826, 14253), (4239, 9502), (4751, 8478)]