210899138

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:818

約数の個数: 24

約数和(自身を含む): 329131836

約数和(自身を除く): 118232698

約数列:

[1, 2, 31, 62, 197, 394, 557, 961, 1114, 1922, 6107, 12214, 17267, 34534, 109729, 189317, 219458, 378634, 535277, 1070554, 3401599, 6803198, 105449569, 210899138]

約数ペア:

[(1, 210899138), (2, 105449569), (31, 6803198), (62, 3401599), (197, 1070554), (394, 535277), (557, 378634), (961, 219458), (1114, 189317), (1922, 109729), (6107, 34534), (12214, 17267)]