16405904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 33044760

約数和(自身を除く): 16638856

約数列:

[1, 2, 4, 8, 16, 41, 82, 89, 164, 178, 281, 328, 356, 562, 656, 712, 1124, 1424, 2248, 3649, 4496, 7298, 11521, 14596, 23042, 25009, 29192, 46084, 50018, 58384, 92168, 100036, 184336, 200072, 400144, 1025369, 2050738, 4101476, 8202952, 16405904]

約数ペア:

[(1, 16405904), (2, 8202952), (4, 4101476), (8, 2050738), (16, 1025369), (41, 400144), (82, 200072), (89, 184336), (164, 100036), (178, 92168), (281, 58384), (328, 50018), (356, 46084), (562, 29192), (656, 25009), (712, 23042), (1124, 14596), (1424, 11521), (2248, 7298), (3649, 4496)]