401212

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 861840

約数和(自身を除く): 460628

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 98, 161, 178, 196, 322, 356, 623, 644, 1127, 1246, 2047, 2254, 2492, 4094, 4361, 4508, 8188, 8722, 14329, 17444, 28658, 57316, 100303, 200606, 401212]

約数ペア:

[(1, 401212), (2, 200606), (4, 100303), (7, 57316), (14, 28658), (23, 17444), (28, 14329), (46, 8722), (49, 8188), (89, 4508), (92, 4361), (98, 4094), (161, 2492), (178, 2254), (196, 2047), (322, 1246), (356, 1127), (623, 644)]