398864128

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{119851}}^1$

素因数の和:119880

約数の個数: 36

約数和(自身を含む): 857421208

約数和(自身を除く): 458557080

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 119851, 239702, 479404, 958808, 1558063, 1917616, 3116126, 3835232, 6232252, 7670464, 12464504, 15340928, 24929008, 30681856, 49858016, 99716032, 199432064, 398864128]

約数ペア:

[(1, 398864128), (2, 199432064), (4, 99716032), (8, 49858016), (13, 30681856), (16, 24929008), (26, 15340928), (32, 12464504), (52, 7670464), (64, 6232252), (104, 3835232), (128, 3116126), (208, 1917616), (256, 1558063), (416, 958808), (832, 479404), (1664, 239702), (3328, 119851)]