258089728

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{77551}}^1$

素因数の和:77580

約数の個数: 36

約数和(自身を含む): 554807008

約数和(自身を除く): 296717280

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 77551, 155102, 310204, 620408, 1008163, 1240816, 2016326, 2481632, 4032652, 4963264, 8065304, 9926528, 16130608, 19853056, 32261216, 64522432, 129044864, 258089728]

約数ペア:

[(1, 258089728), (2, 129044864), (4, 64522432), (8, 32261216), (13, 19853056), (16, 16130608), (26, 9926528), (32, 8065304), (52, 4963264), (64, 4032652), (104, 2481632), (128, 2016326), (208, 1240816), (256, 1008163), (416, 620408), (832, 310204), (1664, 155102), (3328, 77551)]