16640344

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1823}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 19255976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 1823, 2282, 3646, 4564, 7292, 9128, 12761, 14584, 25522, 51044, 102088, 297149, 594298, 1188596, 2080043, 2377192, 4160086, 8320172, 16640344]

約数ペア:

[(1, 16640344), (2, 8320172), (4, 4160086), (7, 2377192), (8, 2080043), (14, 1188596), (28, 594298), (56, 297149), (163, 102088), (326, 51044), (652, 25522), (1141, 14584), (1304, 12761), (1823, 9128), (2282, 7292), (3646, 4564)]