261146256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{777221}}^1$

素因数の和:777239

約数の個数: 40

約数和(自身を含む): 771004224

約数和(自身を除く): 509857968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 777221, 1554442, 2331663, 3108884, 4663326, 5440547, 6217768, 9326652, 10881094, 12435536, 16321641, 18653304, 21762188, 32643282, 37306608, 43524376, 65286564, 87048752, 130573128, 261146256]

約数ペア:

[(1, 261146256), (2, 130573128), (3, 87048752), (4, 65286564), (6, 43524376), (7, 37306608), (8, 32643282), (12, 21762188), (14, 18653304), (16, 16321641), (21, 12435536), (24, 10881094), (28, 9326652), (42, 6217768), (48, 5440547), (56, 4663326), (84, 3108884), (112, 2331663), (168, 1554442), (336, 777221)]